./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer --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 Automizer --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_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer --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 Automizer --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_44 term size 40 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:45:03,106 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:45:03,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:45:03,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:45:03,120 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:45:03,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:45:03,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:45:03,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:45:03,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:45:03,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:45:03,126 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:45:03,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:45:03,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:45:03,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:45:03,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:45:03,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:45:03,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:45:03,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:45:03,141 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:45:03,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:45:03,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:45:03,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:45:03,151 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:45:03,151 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:45:03,152 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:45:03,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:45:03,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:45:03,153 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:45:03,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:45:03,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:45:03,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:45:03,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:45:03,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:45:03,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:45:03,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:45:03,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:45:03,159 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-27 04:45:03,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:45:03,175 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:45:03,176 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:45:03,178 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:45:03,178 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 04:45:03,179 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:45:03,179 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:45:03,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:45:03,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:45:03,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:45:03,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51d92de6cf360cbe25a9302b43933e75c2fd2ccd [2018-10-27 04:45:03,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:45:03,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:45:03,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:45:03,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:45:03,238 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:45:03,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-10-27 04:45:03,283 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e0d2f0588/4f88f66e8982488d98691788dcc07340/FLAGd9c22e6bc [2018-10-27 04:45:03,660 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:45:03,661 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-10-27 04:45:03,671 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e0d2f0588/4f88f66e8982488d98691788dcc07340/FLAGd9c22e6bc [2018-10-27 04:45:03,682 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e0d2f0588/4f88f66e8982488d98691788dcc07340 [2018-10-27 04:45:03,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:45:03,685 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 04:45:03,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:45:03,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:45:03,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:45:03,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:45:03" (1/1) ... [2018-10-27 04:45:03,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fac14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:03, skipping insertion in model container [2018-10-27 04:45:03,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:45:03" (1/1) ... [2018-10-27 04:45:03,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:45:03,736 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:45:03,998 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:45:04,007 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:45:04,087 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:45:04,124 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:45:04,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04 WrapperNode [2018-10-27 04:45:04,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:45:04,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:45:04,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:45:04,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:45:04,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... [2018-10-27 04:45:04,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:45:04,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:45:04,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:45:04,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:45:04,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:45:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:45:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-10-27 04:45:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:45:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 04:45:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-10-27 04:45:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-10-27 04:45:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-10-27 04:45:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-10-27 04:45:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-10-27 04:45:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-10-27 04:45:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-10-27 04:45:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-10-27 04:45:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-10-27 04:45:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-10-27 04:45:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-10-27 04:45:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-10-27 04:45:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-10-27 04:45:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-10-27 04:45:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-10-27 04:45:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-10-27 04:45:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-10-27 04:45:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-10-27 04:45:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-10-27 04:45:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-10-27 04:45:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-27 04:45:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:45:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-27 04:45:06,081 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:45:06,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:45:06 BoogieIcfgContainer [2018-10-27 04:45:06,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:45:06,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:45:06,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:45:06,085 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:45:06,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:45:03" (1/3) ... [2018-10-27 04:45:06,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc1197d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:45:06, skipping insertion in model container [2018-10-27 04:45:06,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:04" (2/3) ... [2018-10-27 04:45:06,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc1197d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:45:06, skipping insertion in model container [2018-10-27 04:45:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:45:06" (3/3) ... [2018-10-27 04:45:06,090 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-10-27 04:45:06,098 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:45:06,106 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-10-27 04:45:06,120 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-10-27 04:45:06,142 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 04:45:06,143 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:45:06,143 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:45:06,144 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:45:06,144 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:45:06,144 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:45:06,145 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:45:06,145 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:45:06,145 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:45:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2018-10-27 04:45:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:45:06,178 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:06,179 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:06,181 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:06,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:06,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216059, now seen corresponding path program 1 times [2018-10-27 04:45:06,191 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:06,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:06,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:06,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:06,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:06,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:06,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:45:06,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:45:06,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:45:06,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:45:06,415 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2018-10-27 04:45:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:07,351 INFO L93 Difference]: Finished difference Result 411 states and 456 transitions. [2018-10-27 04:45:07,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:45:07,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-27 04:45:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:07,370 INFO L225 Difference]: With dead ends: 411 [2018-10-27 04:45:07,373 INFO L226 Difference]: Without dead ends: 408 [2018-10-27 04:45:07,375 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:45:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-10-27 04:45:07,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 357. [2018-10-27 04:45:07,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-10-27 04:45:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 401 transitions. [2018-10-27 04:45:07,430 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 401 transitions. Word has length 8 [2018-10-27 04:45:07,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:07,430 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 401 transitions. [2018-10-27 04:45:07,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:45:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 401 transitions. [2018-10-27 04:45:07,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:45:07,432 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:07,432 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:07,433 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:07,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:07,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1942216058, now seen corresponding path program 1 times [2018-10-27 04:45:07,433 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:07,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:07,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:07,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:07,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:07,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:07,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:07,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:45:07,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:45:07,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:45:07,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:45:07,499 INFO L87 Difference]: Start difference. First operand 357 states and 401 transitions. Second operand 4 states. [2018-10-27 04:45:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:07,838 INFO L93 Difference]: Finished difference Result 359 states and 405 transitions. [2018-10-27 04:45:07,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:45:07,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-27 04:45:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:07,841 INFO L225 Difference]: With dead ends: 359 [2018-10-27 04:45:07,841 INFO L226 Difference]: Without dead ends: 359 [2018-10-27 04:45:07,841 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:45:07,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-10-27 04:45:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-10-27 04:45:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-10-27 04:45:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 399 transitions. [2018-10-27 04:45:07,862 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 399 transitions. Word has length 8 [2018-10-27 04:45:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:07,862 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 399 transitions. [2018-10-27 04:45:07,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:45:07,862 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 399 transitions. [2018-10-27 04:45:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:45:07,863 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:07,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:07,863 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:07,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:07,864 INFO L82 PathProgramCache]: Analyzing trace with hash 830190390, now seen corresponding path program 1 times [2018-10-27 04:45:07,864 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:07,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:07,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:07,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:07,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:07,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:07,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:45:07,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:45:07,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:45:07,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:45:07,934 INFO L87 Difference]: Start difference. First operand 355 states and 399 transitions. Second operand 4 states. [2018-10-27 04:45:08,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:08,435 INFO L93 Difference]: Finished difference Result 350 states and 394 transitions. [2018-10-27 04:45:08,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:45:08,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-27 04:45:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:08,436 INFO L225 Difference]: With dead ends: 350 [2018-10-27 04:45:08,436 INFO L226 Difference]: Without dead ends: 350 [2018-10-27 04:45:08,437 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:45:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-10-27 04:45:08,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2018-10-27 04:45:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-10-27 04:45:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2018-10-27 04:45:08,450 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 18 [2018-10-27 04:45:08,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:08,450 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2018-10-27 04:45:08,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:45:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2018-10-27 04:45:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:45:08,454 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:08,454 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:08,454 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:08,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash 830190391, now seen corresponding path program 1 times [2018-10-27 04:45:08,455 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:08,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:08,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:08,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:08,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:08,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:08,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:45:08,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:45:08,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:45:08,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:45:08,538 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 4 states. [2018-10-27 04:45:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:08,836 INFO L93 Difference]: Finished difference Result 345 states and 389 transitions. [2018-10-27 04:45:08,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:45:08,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-27 04:45:08,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:08,838 INFO L225 Difference]: With dead ends: 345 [2018-10-27 04:45:08,838 INFO L226 Difference]: Without dead ends: 345 [2018-10-27 04:45:08,838 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:45:08,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-10-27 04:45:08,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 345. [2018-10-27 04:45:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-10-27 04:45:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 389 transitions. [2018-10-27 04:45:08,846 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 389 transitions. Word has length 18 [2018-10-27 04:45:08,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:08,846 INFO L481 AbstractCegarLoop]: Abstraction has 345 states and 389 transitions. [2018-10-27 04:45:08,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:45:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 389 transitions. [2018-10-27 04:45:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:45:08,848 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:08,848 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:08,849 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:08,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash -33901245, now seen corresponding path program 1 times [2018-10-27 04:45:08,849 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:08,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:08,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:08,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:08,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:08,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:08,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:45:08,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:45:08,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:45:08,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:45:08,994 INFO L87 Difference]: Start difference. First operand 345 states and 389 transitions. Second operand 7 states. [2018-10-27 04:45:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:10,148 INFO L93 Difference]: Finished difference Result 384 states and 427 transitions. [2018-10-27 04:45:10,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:45:10,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-27 04:45:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:10,150 INFO L225 Difference]: With dead ends: 384 [2018-10-27 04:45:10,150 INFO L226 Difference]: Without dead ends: 384 [2018-10-27 04:45:10,150 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:45:10,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-10-27 04:45:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 337. [2018-10-27 04:45:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-10-27 04:45:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 381 transitions. [2018-10-27 04:45:10,162 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 381 transitions. Word has length 19 [2018-10-27 04:45:10,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:10,163 INFO L481 AbstractCegarLoop]: Abstraction has 337 states and 381 transitions. [2018-10-27 04:45:10,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:45:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 381 transitions. [2018-10-27 04:45:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:45:10,163 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:10,163 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:10,164 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:10,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash -33901244, now seen corresponding path program 1 times [2018-10-27 04:45:10,164 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:10,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:10,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:10,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:10,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:10,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:10,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:10,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:45:10,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:45:10,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:45:10,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:45:10,289 INFO L87 Difference]: Start difference. First operand 337 states and 381 transitions. Second operand 8 states. [2018-10-27 04:45:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:11,087 INFO L93 Difference]: Finished difference Result 378 states and 423 transitions. [2018-10-27 04:45:11,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:45:11,087 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-10-27 04:45:11,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:11,089 INFO L225 Difference]: With dead ends: 378 [2018-10-27 04:45:11,089 INFO L226 Difference]: Without dead ends: 378 [2018-10-27 04:45:11,089 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:45:11,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-10-27 04:45:11,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 328. [2018-10-27 04:45:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-10-27 04:45:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 371 transitions. [2018-10-27 04:45:11,098 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 371 transitions. Word has length 19 [2018-10-27 04:45:11,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:11,099 INFO L481 AbstractCegarLoop]: Abstraction has 328 states and 371 transitions. [2018-10-27 04:45:11,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:45:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 371 transitions. [2018-10-27 04:45:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 04:45:11,101 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:11,101 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, 1] [2018-10-27 04:45:11,101 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:11,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:11,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1291935921, now seen corresponding path program 1 times [2018-10-27 04:45:11,102 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:11,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:11,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:11,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:11,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:11,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:11,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:45:11,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:45:11,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:45:11,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:45:11,298 INFO L87 Difference]: Start difference. First operand 328 states and 371 transitions. Second operand 7 states. [2018-10-27 04:45:11,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:11,523 INFO L93 Difference]: Finished difference Result 345 states and 391 transitions. [2018-10-27 04:45:11,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:45:11,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-10-27 04:45:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:11,524 INFO L225 Difference]: With dead ends: 345 [2018-10-27 04:45:11,524 INFO L226 Difference]: Without dead ends: 345 [2018-10-27 04:45:11,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:45:11,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-10-27 04:45:11,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 339. [2018-10-27 04:45:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-10-27 04:45:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 384 transitions. [2018-10-27 04:45:11,536 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 384 transitions. Word has length 28 [2018-10-27 04:45:11,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:11,536 INFO L481 AbstractCegarLoop]: Abstraction has 339 states and 384 transitions. [2018-10-27 04:45:11,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:45:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 384 transitions. [2018-10-27 04:45:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:45:11,537 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:11,538 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, 1, 1, 1] [2018-10-27 04:45:11,539 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:11,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1628816492, now seen corresponding path program 1 times [2018-10-27 04:45:11,539 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:11,539 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:11,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:11,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:12,112 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 04:45:12,300 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 04:45:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:12,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:45:12,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:45:12,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:45:12,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:45:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:45:12,391 INFO L87 Difference]: Start difference. First operand 339 states and 384 transitions. Second operand 9 states. [2018-10-27 04:45:12,585 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-27 04:45:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:12,906 INFO L93 Difference]: Finished difference Result 344 states and 389 transitions. [2018-10-27 04:45:12,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:45:12,907 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-10-27 04:45:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:12,908 INFO L225 Difference]: With dead ends: 344 [2018-10-27 04:45:12,909 INFO L226 Difference]: Without dead ends: 344 [2018-10-27 04:45:12,909 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:45:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-10-27 04:45:12,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2018-10-27 04:45:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-10-27 04:45:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 387 transitions. [2018-10-27 04:45:12,918 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 387 transitions. Word has length 30 [2018-10-27 04:45:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:12,918 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 387 transitions. [2018-10-27 04:45:12,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:45:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 387 transitions. [2018-10-27 04:45:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 04:45:12,921 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:12,921 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:12,922 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:12,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:12,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1382014720, now seen corresponding path program 1 times [2018-10-27 04:45:12,922 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:12,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:12,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:12,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:12,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:13,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:45:13,690 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:45:13,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:13,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:45:14,095 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:45:14,240 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 [2018-10-27 04:45:14,242 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 [2018-10-27 04:45:14,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,245 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,250 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,250 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:25 [2018-10-27 04:45:14,297 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 [2018-10-27 04:45:14,319 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 [2018-10-27 04:45:14,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,379 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 [2018-10-27 04:45:14,379 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:14,391 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:14,411 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:14,412 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:38, output treesize:70 [2018-10-27 04:45:14,491 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 [2018-10-27 04:45:14,539 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:14,540 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 [2018-10-27 04:45:14,541 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:14,664 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 [2018-10-27 04:45:14,664 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:14,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:14,706 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 [2018-10-27 04:45:14,709 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:14,709 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 [2018-10-27 04:45:14,710 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,715 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,734 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. [2018-10-27 04:45:14,735 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:102, output treesize:115 [2018-10-27 04:45:14,892 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:14,893 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:14,894 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 63 treesize of output 57 [2018-10-27 04:45:14,894 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:14,923 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. [2018-10-27 04:45:14,923 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:130, output treesize:57 [2018-10-27 04:45:15,066 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:15,067 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:15,068 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:15,068 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 [2018-10-27 04:45:15,069 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,080 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. [2018-10-27 04:45:15,080 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:76 [2018-10-27 04:45:15,197 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 [2018-10-27 04:45:15,199 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 [2018-10-27 04:45:15,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,208 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,219 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. [2018-10-27 04:45:15,220 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:89, output treesize:76 [2018-10-27 04:45:15,274 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 [2018-10-27 04:45:15,285 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 [2018-10-27 04:45:15,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,318 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. [2018-10-27 04:45:15,318 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:89, output treesize:85 [2018-10-27 04:45:15,366 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 80 treesize of output 58 [2018-10-27 04:45:15,391 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 33 treesize of output 14 [2018-10-27 04:45:15,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,401 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:15,402 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 [2018-10-27 04:45:15,402 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,408 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 [2018-10-27 04:45:15,408 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,412 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:15,418 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:45:15,418 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:94, output treesize:28 [2018-10-27 04:45:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:15,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 04:45:15,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 36 [2018-10-27 04:45:15,497 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-10-27 04:45:15,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-10-27 04:45:15,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1213, Unknown=0, NotChecked=0, Total=1332 [2018-10-27 04:45:15,498 INFO L87 Difference]: Start difference. First operand 342 states and 387 transitions. Second operand 37 states. [2018-10-27 04:45:17,607 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-10-27 04:45:22,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:22,170 INFO L93 Difference]: Finished difference Result 514 states and 614 transitions. [2018-10-27 04:45:22,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-10-27 04:45:22,171 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 47 [2018-10-27 04:45:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:22,174 INFO L225 Difference]: With dead ends: 514 [2018-10-27 04:45:22,174 INFO L226 Difference]: Without dead ends: 514 [2018-10-27 04:45:22,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=554, Invalid=3352, Unknown=0, NotChecked=0, Total=3906 [2018-10-27 04:45:22,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2018-10-27 04:45:22,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 347. [2018-10-27 04:45:22,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-10-27 04:45:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 391 transitions. [2018-10-27 04:45:22,190 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 391 transitions. Word has length 47 [2018-10-27 04:45:22,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:22,190 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 391 transitions. [2018-10-27 04:45:22,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-10-27 04:45:22,191 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 391 transitions. [2018-10-27 04:45:22,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 04:45:22,194 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:22,194 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:22,194 INFO L424 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:22,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:22,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1382014721, now seen corresponding path program 1 times [2018-10-27 04:45:22,195 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:22,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:22,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:22,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:22,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:22,947 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:22,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:45:22,947 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:45:22,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:22,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:45:23,074 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 [2018-10-27 04:45:23,075 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,079 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,079 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2018-10-27 04:45:23,168 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 [2018-10-27 04:45:23,170 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 [2018-10-27 04:45:23,170 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,263 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 [2018-10-27 04:45:23,265 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 [2018-10-27 04:45:23,265 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,275 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 1 xjuncts. [2018-10-27 04:45:23,275 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:48, output treesize:40 [2018-10-27 04:45:23,320 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 53 [2018-10-27 04:45:23,329 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 33 treesize of output 48 [2018-10-27 04:45:23,329 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:23,349 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 26 treesize of output 25 [2018-10-27 04:45:23,349 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:23,392 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 47 treesize of output 57 [2018-10-27 04:45:23,395 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 48 treesize of output 47 [2018-10-27 04:45:23,395 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,422 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,425 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:23,427 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2018-10-27 04:45:23,429 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:23,431 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 38 treesize of output 29 [2018-10-27 04:45:23,431 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,436 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:45:23,455 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:66, output treesize:110 [2018-10-27 04:45:23,534 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 168 treesize of output 157 [2018-10-27 04:45:23,559 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,560 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 161 treesize of output 188 [2018-10-27 04:45:23,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,643 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,645 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,655 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 140 treesize of output 167 [2018-10-27 04:45:23,656 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:23,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:23,835 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 112 treesize of output 95 [2018-10-27 04:45:23,839 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,840 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:23,842 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 0 case distinctions, treesize of input 74 treesize of output 49 [2018-10-27 04:45:23,842 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,856 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,871 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 158 treesize of output 158 [2018-10-27 04:45:23,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,876 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 151 treesize of output 178 [2018-10-27 04:45:23,876 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:23,978 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,979 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:23,988 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 138 treesize of output 164 [2018-10-27 04:45:23,990 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:24,095 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:24,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-27 04:45:24,193 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:249, output treesize:210 [2018-10-27 04:45:24,268 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,269 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,270 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 156 treesize of output 150 [2018-10-27 04:45:24,270 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:45:24,308 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:226, output treesize:150 [2018-10-27 04:45:24,537 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 37 treesize of output 26 [2018-10-27 04:45:24,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,563 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 11 treesize of output 4 [2018-10-27 04:45:24,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,584 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. [2018-10-27 04:45:24,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:161, output treesize:144 [2018-10-27 04:45:24,719 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 119 treesize of output 130 [2018-10-27 04:45:24,727 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 130 treesize of output 129 [2018-10-27 04:45:24,727 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,766 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,781 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 4 case distinctions, treesize of input 88 treesize of output 139 [2018-10-27 04:45:24,782 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-10-27 04:45:24,899 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:45:24,951 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 113 [2018-10-27 04:45:24,958 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,959 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:24,960 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:24,962 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 0 case distinctions, treesize of input 43 treesize of output 90 [2018-10-27 04:45:24,962 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,976 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:24,996 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 3 case distinctions, treesize of input 148 treesize of output 168 [2018-10-27 04:45:25,000 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:25,015 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 4 case distinctions, treesize of input 142 treesize of output 193 [2018-10-27 04:45:25,016 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 4 xjuncts. [2018-10-27 04:45:25,110 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 145 treesize of output 144 [2018-10-27 04:45:25,110 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,165 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:45:25,172 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 113 [2018-10-27 04:45:25,175 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:25,176 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:25,178 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 0 case distinctions, treesize of input 43 treesize of output 90 [2018-10-27 04:45:25,179 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,231 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,297 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2018-10-27 04:45:25,297 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:170, output treesize:339 [2018-10-27 04:45:25,407 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 138 [2018-10-27 04:45:25,410 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:25,411 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 36 treesize of output 63 [2018-10-27 04:45:25,411 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,429 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,568 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:25,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 141 [2018-10-27 04:45:25,571 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 36 treesize of output 21 [2018-10-27 04:45:25,571 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,584 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,735 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 3 case distinctions, treesize of input 170 treesize of output 190 [2018-10-27 04:45:25,739 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:25,742 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 0 case distinctions, treesize of input 164 treesize of output 187 [2018-10-27 04:45:25,743 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:25,824 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 167 treesize of output 166 [2018-10-27 04:45:25,825 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,215 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,320 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 166 treesize of output 173 [2018-10-27 04:45:26,324 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 173 treesize of output 172 [2018-10-27 04:45:26,324 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,468 INFO L267 ElimStorePlain]: Start of recursive call 9: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 131 [2018-10-27 04:45:26,563 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:26,564 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 36 treesize of output 63 [2018-10-27 04:45:26,564 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,580 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,642 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:26,643 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 107 [2018-10-27 04:45:26,644 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 36 treesize of output 21 [2018-10-27 04:45:26,645 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,655 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,708 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 6 dim-2 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-10-27 04:45:26,708 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 11 variables, input treesize:481, output treesize:391 [2018-10-27 04:45:26,854 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 134 [2018-10-27 04:45:26,856 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:26,857 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 63 treesize of output 47 [2018-10-27 04:45:26,857 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,875 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:26,876 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 27 treesize of output 20 [2018-10-27 04:45:26,876 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:26,989 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,022 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 82 treesize of output 68 [2018-10-27 04:45:27,024 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:27,025 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 0 case distinctions, treesize of input 46 treesize of output 30 [2018-10-27 04:45:27,025 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,038 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:27,038 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 [2018-10-27 04:45:27,038 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,047 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,089 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 111 treesize of output 93 [2018-10-27 04:45:27,091 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 11 treesize of output 1 [2018-10-27 04:45:27,091 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,105 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:27,105 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 0 case distinctions, treesize of input 43 treesize of output 31 [2018-10-27 04:45:27,106 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,119 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,141 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 56 [2018-10-27 04:45:27,143 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:45:27,144 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 25 treesize of output 17 [2018-10-27 04:45:27,144 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,154 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 [2018-10-27 04:45:27,154 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,161 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:27,177 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:265, output treesize:14 [2018-10-27 04:45:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:45:27,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 04:45:27,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20] total 37 [2018-10-27 04:45:27,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-10-27 04:45:27,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-10-27 04:45:27,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1304, Unknown=0, NotChecked=0, Total=1406 [2018-10-27 04:45:27,240 INFO L87 Difference]: Start difference. First operand 347 states and 391 transitions. Second operand 38 states. [2018-10-27 04:45:30,120 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 75 [2018-10-27 04:45:30,305 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 105 [2018-10-27 04:45:31,206 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 100 [2018-10-27 04:45:31,916 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 78 [2018-10-27 04:45:32,138 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 105 [2018-10-27 04:45:37,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:37,904 INFO L93 Difference]: Finished difference Result 512 states and 612 transitions. [2018-10-27 04:45:37,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-10-27 04:45:37,905 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 47 [2018-10-27 04:45:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:37,908 INFO L225 Difference]: With dead ends: 512 [2018-10-27 04:45:37,908 INFO L226 Difference]: Without dead ends: 512 [2018-10-27 04:45:37,910 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 838 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=577, Invalid=3845, Unknown=0, NotChecked=0, Total=4422 [2018-10-27 04:45:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-10-27 04:45:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 346. [2018-10-27 04:45:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2018-10-27 04:45:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 390 transitions. [2018-10-27 04:45:37,922 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 390 transitions. Word has length 47 [2018-10-27 04:45:37,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:37,922 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 390 transitions. [2018-10-27 04:45:37,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-10-27 04:45:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 390 transitions. [2018-10-27 04:45:37,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-27 04:45:37,929 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:37,929 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:37,930 INFO L424 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:37,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:37,930 INFO L82 PathProgramCache]: Analyzing trace with hash -863091961, now seen corresponding path program 1 times [2018-10-27 04:45:37,930 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:37,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:37,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:37,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:37,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:38,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2018-10-27 04:45:38,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:45:38,080 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-27 04:45:38,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:45:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:38,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:45:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1274 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2018-10-27 04:45:38,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 04:45:38,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2018-10-27 04:45:38,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:45:38,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:45:38,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:45:38,361 INFO L87 Difference]: Start difference. First operand 346 states and 390 transitions. Second operand 3 states. [2018-10-27 04:45:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:38,446 INFO L93 Difference]: Finished difference Result 347 states and 391 transitions. [2018-10-27 04:45:38,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:45:38,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2018-10-27 04:45:38,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:38,449 INFO L225 Difference]: With dead ends: 347 [2018-10-27 04:45:38,449 INFO L226 Difference]: Without dead ends: 347 [2018-10-27 04:45:38,449 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:45:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-10-27 04:45:38,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2018-10-27 04:45:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2018-10-27 04:45:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 391 transitions. [2018-10-27 04:45:38,461 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 391 transitions. Word has length 240 [2018-10-27 04:45:38,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:38,461 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 391 transitions. [2018-10-27 04:45:38,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:45:38,461 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 391 transitions. [2018-10-27 04:45:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-10-27 04:45:38,469 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:38,470 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:38,470 INFO L424 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:38,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:38,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1521573666, now seen corresponding path program 1 times [2018-10-27 04:45:38,470 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:38,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:38,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:38,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:38,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2018-10-27 04:45:38,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:45:38,874 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:45:38,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:39,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:45:39,154 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 [2018-10-27 04:45:39,156 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 8 treesize of output 7 [2018-10-27 04:45:39,156 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,158 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,163 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,163 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-10-27 04:45:39,184 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 [2018-10-27 04:45:39,195 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,195 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 16 treesize of output 23 [2018-10-27 04:45:39,196 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,204 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-10-27 04:45:39,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-10-27 04:45:39,251 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 31 treesize of output 30 [2018-10-27 04:45:39,251 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,273 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,283 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 4 case distinctions, treesize of input 26 treesize of output 53 [2018-10-27 04:45:39,283 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-10-27 04:45:39,311 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:45:39,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:45:39,329 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:39, output treesize:108 [2018-10-27 04:45:39,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-10-27 04:45:39,382 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 27 [2018-10-27 04:45:39,382 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,387 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 66 [2018-10-27 04:45:39,430 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,431 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 77 [2018-10-27 04:45:39,431 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,465 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,466 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,467 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 98 [2018-10-27 04:45:39,487 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-27 04:45:39,517 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:45:39,554 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-10-27 04:45:39,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,558 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 60 [2018-10-27 04:45:39,559 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,568 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-10-27 04:45:39,596 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:154, output treesize:170 [2018-10-27 04:45:39,655 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,656 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:45:39,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 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 [2018-10-27 04:45:39,657 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:45:39,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:45:39,688 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-10-27 04:45:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 982 proven. 38 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-27 04:45:39,843 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-27 04:45:39,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 29 [2018-10-27 04:45:39,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-10-27 04:45:39,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-10-27 04:45:39,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2018-10-27 04:45:39,844 INFO L87 Difference]: Start difference. First operand 347 states and 391 transitions. Second operand 29 states. [2018-10-27 04:45:40,517 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2018-10-27 04:45:45,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:45:45,194 INFO L93 Difference]: Finished difference Result 412 states and 458 transitions. [2018-10-27 04:45:45,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-10-27 04:45:45,195 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 266 [2018-10-27 04:45:45,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:45:45,196 INFO L225 Difference]: With dead ends: 412 [2018-10-27 04:45:45,197 INFO L226 Difference]: Without dead ends: 393 [2018-10-27 04:45:45,197 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 262 SyntacticMatches, 4 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 583 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=450, Invalid=2412, Unknown=0, NotChecked=0, Total=2862 [2018-10-27 04:45:45,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-10-27 04:45:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 340. [2018-10-27 04:45:45,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-10-27 04:45:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 382 transitions. [2018-10-27 04:45:45,203 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 382 transitions. Word has length 266 [2018-10-27 04:45:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:45:45,203 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 382 transitions. [2018-10-27 04:45:45,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-10-27 04:45:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 382 transitions. [2018-10-27 04:45:45,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-10-27 04:45:45,210 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:45:45,210 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:45:45,210 INFO L424 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr26REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr13REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, appendErr14REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION]=== [2018-10-27 04:45:45,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:45:45,211 INFO L82 PathProgramCache]: Analyzing trace with hash -24849190, now seen corresponding path program 1 times [2018-10-27 04:45:45,211 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 04:45:45,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 04:45:45,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:45,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:45:45,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:45:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:45:48,467 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 5 DAG size of output: 3 [2018-10-27 04:45:51,326 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2018-10-27 04:45:52,771 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-10-27 04:45:53,489 WARN L179 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-10-27 04:45:54,810 WARN L179 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2018-10-27 04:45:56,265 WARN L179 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 52 [2018-10-27 04:45:57,594 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2018-10-27 04:45:58,070 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2018-10-27 04:46:00,554 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2018-10-27 04:46:00,915 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-10-27 04:46:01,127 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2018-10-27 04:46:02,386 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2018-10-27 04:46:04,420 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2018-10-27 04:46:04,893 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 48 [2018-10-27 04:46:06,236 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2018-10-27 04:46:06,919 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2018-10-27 04:46:07,256 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 56 [2018-10-27 04:46:07,593 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2018-10-27 04:46:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1534 backedges. 308 proven. 1069 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-10-27 04:46:08,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:46:08,472 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:46:08,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:08,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:46:09,303 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 [2018-10-27 04:46:09,305 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 [2018-10-27 04:46:09,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,307 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:28, output treesize:24 [2018-10-27 04:46:09,357 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 [2018-10-27 04:46:09,358 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,359 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 [2018-10-27 04:46:09,359 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,363 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,368 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:31, output treesize:27 [2018-10-27 04:46:09,455 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 30 treesize of output 40 [2018-10-27 04:46:09,472 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 31 treesize of output 30 [2018-10-27 04:46:09,472 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,491 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,503 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 4 case distinctions, treesize of input 26 treesize of output 49 [2018-10-27 04:46:09,503 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-10-27 04:46:09,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:09,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:09,548 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:40, output treesize:111 [2018-10-27 04:46:09,683 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 40 treesize of output 33 [2018-10-27 04:46:09,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,694 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 0 case distinctions, treesize of input 23 treesize of output 23 [2018-10-27 04:46:09,694 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,700 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:09,729 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 40 treesize of output 33 [2018-10-27 04:46:09,775 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,799 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,835 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:09,883 INFO L303 Elim1Store]: Index analysis took 153 ms [2018-10-27 04:46:09,884 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 0 case distinctions, treesize of input 23 treesize of output 46 [2018-10-27 04:46:09,884 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:10,135 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:10,519 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 62 treesize of output 63 [2018-10-27 04:46:10,525 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:10,526 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 [2018-10-27 04:46:10,526 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:10,556 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:10,557 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:10,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 62 [2018-10-27 04:46:10,573 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-27 04:46:10,599 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:46:10,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 4 xjuncts. [2018-10-27 04:46:10,626 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:143, output treesize:158 [2018-10-27 04:46:10,725 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-27 04:46:10,725 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:10,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:10,757 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:10,763 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 15 treesize of output 8 [2018-10-27 04:46:10,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:10,816 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:46:10,816 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:190, output treesize:60 [2018-10-27 04:46:12,417 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2018-10-27 04:46:12,422 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,423 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,424 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 11 treesize of output 4 [2018-10-27 04:46:12,424 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,475 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,477 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,494 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 182 treesize of output 146 [2018-10-27 04:46:12,543 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,564 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 4 case distinctions, treesize of input 67 treesize of output 88 [2018-10-27 04:46:12,568 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,573 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 82 [2018-10-27 04:46:12,581 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,651 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,652 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,655 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 0 case distinctions, treesize of input 64 treesize of output 70 [2018-10-27 04:46:12,655 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,703 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,704 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,705 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,708 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 0 case distinctions, treesize of input 64 treesize of output 88 [2018-10-27 04:46:12,708 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,778 INFO L267 ElimStorePlain]: Start of recursive call 4: 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:12,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 95 [2018-10-27 04:46:12,828 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,829 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,831 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,852 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 6 case distinctions, treesize of input 32 treesize of output 85 [2018-10-27 04:46:12,853 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-10-27 04:46:12,920 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,921 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-10-27 04:46:12,924 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,924 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 36 treesize of output 28 [2018-10-27 04:46:12,925 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,935 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,938 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-10-27 04:46:12,943 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,943 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 36 treesize of output 28 [2018-10-27 04:46:12,943 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,973 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,976 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 76 [2018-10-27 04:46:12,980 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,981 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 36 treesize of output 28 [2018-10-27 04:46:12,981 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,992 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:12,995 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:12,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 74 [2018-10-27 04:46:12,998 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:12,999 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 36 treesize of output 28 [2018-10-27 04:46:12,999 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,010 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,053 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-10-27 04:46:13,059 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 95 [2018-10-27 04:46:13,084 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,088 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 10 case distinctions, treesize of input 39 treesize of output 118 [2018-10-27 04:46:13,125 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-10-27 04:46:13,128 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 32 xjuncts. [2018-10-27 04:46:13,307 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2018-10-27 04:46:13,311 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,312 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 36 treesize of output 28 [2018-10-27 04:46:13,312 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,324 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,327 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 84 [2018-10-27 04:46:13,331 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,331 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 36 treesize of output 28 [2018-10-27 04:46:13,332 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,345 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,348 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2018-10-27 04:46:13,352 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,353 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 36 treesize of output 28 [2018-10-27 04:46:13,353 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,368 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,371 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 91 [2018-10-27 04:46:13,375 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,375 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 36 treesize of output 28 [2018-10-27 04:46:13,376 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,390 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,393 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 91 [2018-10-27 04:46:13,397 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2018-10-27 04:46:13,398 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,412 INFO L267 ElimStorePlain]: Start of recursive call 28: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,427 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 81 [2018-10-27 04:46:13,435 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,436 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 36 treesize of output 28 [2018-10-27 04:46:13,436 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,448 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,451 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 85 [2018-10-27 04:46:13,458 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,459 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 36 treesize of output 28 [2018-10-27 04:46:13,459 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,471 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,474 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 83 [2018-10-27 04:46:13,479 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,480 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 36 treesize of output 28 [2018-10-27 04:46:13,480 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,494 INFO L267 ElimStorePlain]: Start of recursive call 34: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,496 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2018-10-27 04:46:13,501 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,502 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 36 treesize of output 28 [2018-10-27 04:46:13,502 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,514 INFO L267 ElimStorePlain]: Start of recursive call 36: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,517 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 99 [2018-10-27 04:46:13,567 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,568 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 36 treesize of output 28 [2018-10-27 04:46:13,569 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,597 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,712 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 9 xjuncts. [2018-10-27 04:46:13,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 88 [2018-10-27 04:46:13,720 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,734 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 4 case distinctions, treesize of input 25 treesize of output 52 [2018-10-27 04:46:13,734 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 4 xjuncts. [2018-10-27 04:46:13,768 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-10-27 04:46:13,772 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,772 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 36 treesize of output 28 [2018-10-27 04:46:13,773 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,782 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,785 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 65 [2018-10-27 04:46:13,789 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,789 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 36 treesize of output 28 [2018-10-27 04:46:13,789 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,799 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,801 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:13,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 67 [2018-10-27 04:46:13,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:13,807 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 36 treesize of output 28 [2018-10-27 04:46:13,807 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,816 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:13,846 INFO L267 ElimStorePlain]: Start of recursive call 40: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:14,007 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 13 xjuncts. [2018-10-27 04:46:14,010 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,011 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:46:14,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 142 [2018-10-27 04:46:14,070 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 15 treesize of output 18 [2018-10-27 04:46:14,073 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,075 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 [2018-10-27 04:46:14,075 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,081 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,106 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 119 [2018-10-27 04:46:14,130 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 70 [2018-10-27 04:46:14,143 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 4 xjuncts. [2018-10-27 04:46:14,182 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,185 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 109 [2018-10-27 04:46:14,219 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2018-10-27 04:46:14,220 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,234 INFO L267 ElimStorePlain]: Start of recursive call 53: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,237 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,239 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 111 [2018-10-27 04:46:14,271 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 91 [2018-10-27 04:46:14,272 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,286 INFO L267 ElimStorePlain]: Start of recursive call 55: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,288 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,291 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 109 [2018-10-27 04:46:14,296 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:46:14,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 78 [2018-10-27 04:46:14,297 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,311 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:46:14,352 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:14,394 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:46:14,595 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 28 dim-0 vars, and 16 xjuncts. [2018-10-27 04:46:14,595 INFO L202 ElimStorePlain]: Needed 58 recursive calls to eliminate 7 variables, input treesize:273, output treesize:1288 [2018-10-27 04:46:31,932 WARN L179 SmtUtils]: Spent 17.13 s on a formula simplification. DAG size of input: 250 DAG size of output: 107 [2018-10-27 04:53:28,429 WARN L179 SmtUtils]: Spent 6.92 m on a formula simplification. DAG size of input: 509 DAG size of output: 360 [2018-10-27 04:53:28,437 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:28,440 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:28,442 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:28,445 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:28,445 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:53:28,448 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:28,449 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:53:28,650 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:53:28,651 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_old(#valid)_AFTER_CALL_38| term size 75 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.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) 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:435) 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) [2018-10-27 04:53:28,657 INFO L168 Benchmark]: Toolchain (without parser) took 504972.72 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 823.7 MB). Free memory was 951.8 MB in the beginning and 1.3 GB in the end (delta: -356.8 MB). Peak memory consumption was 466.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:53:28,657 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:53:28,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 04:53:28,658 INFO L168 Benchmark]: Boogie Preprocessor took 150.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:53:28,658 INFO L168 Benchmark]: RCFGBuilder took 1806.21 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: 104.7 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:53:28,658 INFO L168 Benchmark]: TraceAbstraction took 502573.44 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -296.9 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:53:28,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 438.92 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 150.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 930.3 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1806.21 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: 104.7 MB). Peak memory consumption was 104.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 502573.44 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 697.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -296.9 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_38| term size 75 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_AFTER_CALL_38| term size 75: 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 0.1.23-1dbac8b [2018-10-27 04:53:30,407 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:53:30,408 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:53:30,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:53:30,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:53:30,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:53:30,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:53:30,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:53:30,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:53:30,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:53:30,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:53:30,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:53:30,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:53:30,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:53:30,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:53:30,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:53:30,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:53:30,427 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:53:30,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:53:30,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:53:30,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:53:30,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:53:30,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:53:30,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:53:30,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:53:30,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:53:30,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:53:30,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:53:30,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:53:30,438 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:53:30,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:53:30,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:53:30,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:53:30,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:53:30,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:53:30,441 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:53:30,441 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-10-27 04:53:30,452 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:53:30,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:53:30,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 04:53:30,454 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:53:30,454 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:53:30,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:53:30,455 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:53:30,456 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:53:30,456 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:53:30,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:53:30,456 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 04:53:30,456 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 04:53:30,457 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:53:30,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:53:30,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:53:30,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:53:30,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:53:30,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:53:30,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:53:30,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:53:30,458 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 04:53:30,458 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:53:30,458 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 04:53:30,458 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_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51d92de6cf360cbe25a9302b43933e75c2fd2ccd [2018-10-27 04:53:30,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:53:30,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:53:30,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:53:30,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:53:30,522 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:53:30,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-10-27 04:53:30,571 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e79d5a0c3/7c7ffbec4991459e90253487bf470414/FLAGac3d58d43 [2018-10-27 04:53:31,018 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:53:31,019 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/sv-benchmarks/c/memsafety-ext2/split_list_test05_false-valid-deref.i [2018-10-27 04:53:31,033 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e79d5a0c3/7c7ffbec4991459e90253487bf470414/FLAGac3d58d43 [2018-10-27 04:53:31,046 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/data/e79d5a0c3/7c7ffbec4991459e90253487bf470414 [2018-10-27 04:53:31,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:53:31,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 04:53:31,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:53:31,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:53:31,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:53:31,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f2e524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31, skipping insertion in model container [2018-10-27 04:53:31,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:53:31,111 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:53:31,421 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:53:31,437 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:53:31,524 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:53:31,577 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:53:31,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31 WrapperNode [2018-10-27 04:53:31,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:53:31,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:53:31,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:53:31,578 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:53:31,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... [2018-10-27 04:53:31,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:53:31,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:53:31,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:53:31,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:53:31,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-10-27 04:53:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-10-27 04:53:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-10-27 04:53:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-10-27 04:53:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-10-27 04:53:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-10-27 04:53:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-10-27 04:53:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-10-27 04:53:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-10-27 04:53:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-10-27 04:53:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-10-27 04:53:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-10-27 04:53:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-10-27 04:53:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-10-27 04:53:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-10-27 04:53:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-10-27 04:53:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-10-27 04:53:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-10-27 04:53:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-10-27 04:53:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-10-27 04:53:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-27 04:53:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-10-27 04:53:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-10-27 04:53:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 04:53:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-10-27 04:53:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-27 04:53:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:53:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 04:53:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:53:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:53:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-10-27 04:53:34,247 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:53:34,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:53:34 BoogieIcfgContainer [2018-10-27 04:53:34,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:53:34,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:53:34,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:53:34,257 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:53:34,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:53:31" (1/3) ... [2018-10-27 04:53:34,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24161cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:53:34, skipping insertion in model container [2018-10-27 04:53:34,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:53:31" (2/3) ... [2018-10-27 04:53:34,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24161cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:53:34, skipping insertion in model container [2018-10-27 04:53:34,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:53:34" (3/3) ... [2018-10-27 04:53:34,267 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_false-valid-deref.i [2018-10-27 04:53:34,277 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:53:34,284 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-10-27 04:53:34,301 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-10-27 04:53:34,327 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 04:53:34,327 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:53:34,327 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:53:34,328 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:53:34,328 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:53:34,330 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:53:34,330 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:53:34,330 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:53:34,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:53:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states. [2018-10-27 04:53:34,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:53:34,367 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:34,368 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:34,371 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:34,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:34,379 INFO L82 PathProgramCache]: Analyzing trace with hash -2071099702, now seen corresponding path program 1 times [2018-10-27 04:53:34,383 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:34,383 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:34,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:34,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:34,507 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 [2018-10-27 04:53:34,511 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:34,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:34,537 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:53:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:34,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:34,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:34,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:53:34,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:53:34,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:53:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:53:34,596 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 4 states. [2018-10-27 04:53:35,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:35,532 INFO L93 Difference]: Finished difference Result 404 states and 449 transitions. [2018-10-27 04:53:35,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:53:35,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-27 04:53:35,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:35,544 INFO L225 Difference]: With dead ends: 404 [2018-10-27 04:53:35,544 INFO L226 Difference]: Without dead ends: 401 [2018-10-27 04:53:35,546 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:53:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-10-27 04:53:35,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 350. [2018-10-27 04:53:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-10-27 04:53:35,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 394 transitions. [2018-10-27 04:53:35,605 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 394 transitions. Word has length 8 [2018-10-27 04:53:35,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:35,605 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 394 transitions. [2018-10-27 04:53:35,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:53:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 394 transitions. [2018-10-27 04:53:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:53:35,606 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:35,606 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:35,606 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:35,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:35,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2071099701, now seen corresponding path program 1 times [2018-10-27 04:53:35,611 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:35,611 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:35,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:35,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:35,667 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 [2018-10-27 04:53:35,667 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:35,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:35,672 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:53:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:35,785 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:35,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:35,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:53:35,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:53:35,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:53:35,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:53:35,790 INFO L87 Difference]: Start difference. First operand 350 states and 394 transitions. Second operand 4 states. [2018-10-27 04:53:36,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:36,425 INFO L93 Difference]: Finished difference Result 352 states and 398 transitions. [2018-10-27 04:53:36,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:53:36,426 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-10-27 04:53:36,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:36,427 INFO L225 Difference]: With dead ends: 352 [2018-10-27 04:53:36,428 INFO L226 Difference]: Without dead ends: 352 [2018-10-27 04:53:36,428 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:53:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-10-27 04:53:36,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 348. [2018-10-27 04:53:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-10-27 04:53:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 392 transitions. [2018-10-27 04:53:36,454 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 392 transitions. Word has length 8 [2018-10-27 04:53:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:36,454 INFO L481 AbstractCegarLoop]: Abstraction has 348 states and 392 transitions. [2018-10-27 04:53:36,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:53:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 392 transitions. [2018-10-27 04:53:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:53:36,454 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:36,455 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:36,456 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:36,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:36,457 INFO L82 PathProgramCache]: Analyzing trace with hash 800814710, now seen corresponding path program 1 times [2018-10-27 04:53:36,457 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:36,457 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:36,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:36,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:36,513 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 6 treesize of output 5 [2018-10-27 04:53:36,513 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:36,515 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:36,515 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:53:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:36,592 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:36,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:36,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:53:36,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:53:36,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:53:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:53:36,595 INFO L87 Difference]: Start difference. First operand 348 states and 392 transitions. Second operand 4 states. [2018-10-27 04:53:37,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:37,307 INFO L93 Difference]: Finished difference Result 343 states and 387 transitions. [2018-10-27 04:53:37,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:53:37,309 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-27 04:53:37,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:37,310 INFO L225 Difference]: With dead ends: 343 [2018-10-27 04:53:37,310 INFO L226 Difference]: Without dead ends: 343 [2018-10-27 04:53:37,310 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:53:37,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-10-27 04:53:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-10-27 04:53:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-10-27 04:53:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 387 transitions. [2018-10-27 04:53:37,322 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 387 transitions. Word has length 18 [2018-10-27 04:53:37,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:37,322 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 387 transitions. [2018-10-27 04:53:37,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:53:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 387 transitions. [2018-10-27 04:53:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:53:37,324 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:37,324 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:37,324 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:37,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:37,325 INFO L82 PathProgramCache]: Analyzing trace with hash 800814711, now seen corresponding path program 1 times [2018-10-27 04:53:37,325 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:37,325 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:37,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:37,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:37,393 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 [2018-10-27 04:53:37,394 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:37,398 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:37,398 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:53:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:37,483 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:37,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:37,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:53:37,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:53:37,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:53:37,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:53:37,490 INFO L87 Difference]: Start difference. First operand 343 states and 387 transitions. Second operand 4 states. [2018-10-27 04:53:37,639 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-27 04:53:38,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:38,154 INFO L93 Difference]: Finished difference Result 338 states and 382 transitions. [2018-10-27 04:53:38,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:53:38,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-10-27 04:53:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:38,156 INFO L225 Difference]: With dead ends: 338 [2018-10-27 04:53:38,156 INFO L226 Difference]: Without dead ends: 338 [2018-10-27 04:53:38,156 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:53:38,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-10-27 04:53:38,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-10-27 04:53:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-10-27 04:53:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2018-10-27 04:53:38,164 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 18 [2018-10-27 04:53:38,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:38,164 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2018-10-27 04:53:38,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:53:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2018-10-27 04:53:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:53:38,165 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:38,165 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:38,166 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:38,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:38,166 INFO L82 PathProgramCache]: Analyzing trace with hash -944547330, now seen corresponding path program 1 times [2018-10-27 04:53:38,166 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:38,166 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:38,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:38,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:38,223 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 [2018-10-27 04:53:38,223 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:38,227 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:38,227 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:53:38,291 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 12 treesize of output 11 [2018-10-27 04:53:38,291 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:38,295 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:38,296 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-10-27 04:53:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:38,332 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:38,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:38,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:53:38,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:53:38,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:53:38,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:53:38,335 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 7 states. [2018-10-27 04:53:39,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:39,650 INFO L93 Difference]: Finished difference Result 381 states and 426 transitions. [2018-10-27 04:53:39,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:53:39,650 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-27 04:53:39,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:39,651 INFO L225 Difference]: With dead ends: 381 [2018-10-27 04:53:39,652 INFO L226 Difference]: Without dead ends: 381 [2018-10-27 04:53:39,652 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:53:39,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-10-27 04:53:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 330. [2018-10-27 04:53:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2018-10-27 04:53:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 374 transitions. [2018-10-27 04:53:39,661 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 374 transitions. Word has length 19 [2018-10-27 04:53:39,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:39,661 INFO L481 AbstractCegarLoop]: Abstraction has 330 states and 374 transitions. [2018-10-27 04:53:39,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:53:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 374 transitions. [2018-10-27 04:53:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:53:39,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:39,662 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:39,662 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:39,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:39,662 INFO L82 PathProgramCache]: Analyzing trace with hash -944547329, now seen corresponding path program 1 times [2018-10-27 04:53:39,663 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:39,663 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:39,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:39,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:39,726 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 [2018-10-27 04:53:39,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:39,733 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 [2018-10-27 04:53:39,733 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:39,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:39,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-10-27 04:53:39,816 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:39,817 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:39,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-10-27 04:53:39,818 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:39,827 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:39,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-10-27 04:53:39,828 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:39,835 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. [2018-10-27 04:53:39,835 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-10-27 04:53:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:39,874 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:39,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:39,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:53:39,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:53:39,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:53:39,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:53:39,877 INFO L87 Difference]: Start difference. First operand 330 states and 374 transitions. Second operand 7 states. [2018-10-27 04:53:41,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:41,448 INFO L93 Difference]: Finished difference Result 372 states and 417 transitions. [2018-10-27 04:53:41,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:53:41,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-27 04:53:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:41,450 INFO L225 Difference]: With dead ends: 372 [2018-10-27 04:53:41,450 INFO L226 Difference]: Without dead ends: 372 [2018-10-27 04:53:41,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:53:41,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2018-10-27 04:53:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 322. [2018-10-27 04:53:41,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-10-27 04:53:41,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 365 transitions. [2018-10-27 04:53:41,458 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 365 transitions. Word has length 19 [2018-10-27 04:53:41,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:41,459 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 365 transitions. [2018-10-27 04:53:41,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:53:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 365 transitions. [2018-10-27 04:53:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 04:53:41,460 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:41,460 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, 1] [2018-10-27 04:53:41,461 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:41,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:41,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1918542033, now seen corresponding path program 1 times [2018-10-27 04:53:41,461 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:41,461 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:41,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:41,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:41,575 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 [2018-10-27 04:53:41,591 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 [2018-10-27 04:53:41,591 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,593 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,600 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 [2018-10-27 04:53:41,602 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 [2018-10-27 04:53:41,603 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,605 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,610 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:26, output treesize:18 [2018-10-27 04:53:41,633 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 [2018-10-27 04:53:41,637 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:41,637 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 [2018-10-27 04:53:41,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,656 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 [2018-10-27 04:53:41,661 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:41,661 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 [2018-10-27 04:53:41,662 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,667 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,676 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,676 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-10-27 04:53:41,829 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 [2018-10-27 04:53:41,831 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 [2018-10-27 04:53:41,832 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,833 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,841 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 [2018-10-27 04:53:41,844 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 [2018-10-27 04:53:41,844 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,845 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,848 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:41,848 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:43, output treesize:7 [2018-10-27 04:53:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:41,869 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:41,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:41,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-27 04:53:41,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 04:53:41,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 04:53:41,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:53:41,872 INFO L87 Difference]: Start difference. First operand 322 states and 365 transitions. Second operand 10 states. [2018-10-27 04:53:42,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:42,569 INFO L93 Difference]: Finished difference Result 338 states and 384 transitions. [2018-10-27 04:53:42,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 04:53:42,570 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-10-27 04:53:42,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:42,571 INFO L225 Difference]: With dead ends: 338 [2018-10-27 04:53:42,571 INFO L226 Difference]: Without dead ends: 338 [2018-10-27 04:53:42,571 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2018-10-27 04:53:42,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-10-27 04:53:42,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 332. [2018-10-27 04:53:42,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-10-27 04:53:42,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 377 transitions. [2018-10-27 04:53:42,580 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 377 transitions. Word has length 28 [2018-10-27 04:53:42,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:42,580 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 377 transitions. [2018-10-27 04:53:42,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 04:53:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 377 transitions. [2018-10-27 04:53:42,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:53:42,581 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:42,581 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, 1, 1, 1] [2018-10-27 04:53:42,581 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:42,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:42,582 INFO L82 PathProgramCache]: Analyzing trace with hash -755764460, now seen corresponding path program 1 times [2018-10-27 04:53:42,582 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:42,582 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:42,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:42,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:42,683 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 [2018-10-27 04:53:42,685 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 [2018-10-27 04:53:42,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:42,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:42,695 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 [2018-10-27 04:53:42,697 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 [2018-10-27 04:53:42,697 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:42,704 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:42,713 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:42,713 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-10-27 04:53:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:42,834 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:53:42,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:53:42,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:53:42,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:53:42,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:53:42,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:53:42,836 INFO L87 Difference]: Start difference. First operand 332 states and 377 transitions. Second operand 9 states. [2018-10-27 04:53:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:53:43,666 INFO L93 Difference]: Finished difference Result 337 states and 382 transitions. [2018-10-27 04:53:43,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:53:43,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-10-27 04:53:43,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:53:43,668 INFO L225 Difference]: With dead ends: 337 [2018-10-27 04:53:43,668 INFO L226 Difference]: Without dead ends: 337 [2018-10-27 04:53:43,669 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:53:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-10-27 04:53:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 335. [2018-10-27 04:53:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-10-27 04:53:43,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 380 transitions. [2018-10-27 04:53:43,677 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 380 transitions. Word has length 30 [2018-10-27 04:53:43,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:53:43,677 INFO L481 AbstractCegarLoop]: Abstraction has 335 states and 380 transitions. [2018-10-27 04:53:43,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:53:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 380 transitions. [2018-10-27 04:53:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 04:53:43,678 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:53:43,678 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:53:43,679 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr26REQUIRES_VIOLATION, containsHeadErr25REQUIRES_VIOLATION, containsHeadErr4REQUIRES_VIOLATION, containsHeadErr3REQUIRES_VIOLATION, containsHeadErr24REQUIRES_VIOLATION, containsHeadErr23REQUIRES_VIOLATION, containsHeadErr1REQUIRES_VIOLATION, containsHeadErr2REQUIRES_VIOLATION, containsHeadErr0REQUIRES_VIOLATION, containsHeadErr22REQUIRES_VIOLATION, containsHeadErr21REQUIRES_VIOLATION, containsHeadErr10REQUIRES_VIOLATION, containsHeadErr31REQUIRES_VIOLATION, containsHeadErr9REQUIRES_VIOLATION, containsHeadErr30REQUIRES_VIOLATION, containsHeadErr8REQUIRES_VIOLATION, containsHeadErr29REQUIRES_VIOLATION, containsHeadErr7REQUIRES_VIOLATION, containsHeadErr28REQUIRES_VIOLATION, containsHeadErr6REQUIRES_VIOLATION, containsHeadErr27REQUIRES_VIOLATION, containsHeadErr5REQUIRES_VIOLATION, containsHeadErr15REQUIRES_VIOLATION, containsHeadErr36REQUIRES_VIOLATION, containsHeadErr14REQUIRES_VIOLATION, containsHeadErr35REQUIRES_VIOLATION, containsHeadErr13REQUIRES_VIOLATION, containsHeadErr34REQUIRES_VIOLATION, containsHeadErr12REQUIRES_VIOLATION, containsHeadErr33REQUIRES_VIOLATION, containsHeadErr11REQUIRES_VIOLATION, containsHeadErr32REQUIRES_VIOLATION, containsHeadErr20REQUIRES_VIOLATION, containsHeadErr41REQUIRES_VIOLATION, containsHeadErr19REQUIRES_VIOLATION, containsHeadErr40REQUIRES_VIOLATION, containsHeadErr18REQUIRES_VIOLATION, containsHeadErr39REQUIRES_VIOLATION, containsHeadErr17REQUIRES_VIOLATION, containsHeadErr38REQUIRES_VIOLATION, containsHeadErr16REQUIRES_VIOLATION, containsHeadErr37REQUIRES_VIOLATION, containsBodyErr35REQUIRES_VIOLATION, containsBodyErr13REQUIRES_VIOLATION, containsBodyErr14REQUIRES_VIOLATION, containsBodyErr15REQUIRES_VIOLATION, containsBodyErr36REQUIRES_VIOLATION, containsBodyErr11REQUIRES_VIOLATION, containsBodyErr32REQUIRES_VIOLATION, containsBodyErr12REQUIRES_VIOLATION, containsBodyErr34REQUIRES_VIOLATION, containsBodyErr33REQUIRES_VIOLATION, containsBodyErr8REQUIRES_VIOLATION, containsBodyErr30REQUIRES_VIOLATION, containsBodyErr29REQUIRES_VIOLATION, containsBodyErr31REQUIRES_VIOLATION, containsBodyErr9REQUIRES_VIOLATION, containsBodyErr10REQUIRES_VIOLATION, containsBodyErr27REQUIRES_VIOLATION, containsBodyErr5REQUIRES_VIOLATION, containsBodyErr6REQUIRES_VIOLATION, containsBodyErr7REQUIRES_VIOLATION, containsBodyErr28REQUIRES_VIOLATION, containsBodyErr3REQUIRES_VIOLATION, containsBodyErr24REQUIRES_VIOLATION, containsBodyErr4REQUIRES_VIOLATION, containsBodyErr26REQUIRES_VIOLATION, containsBodyErr25REQUIRES_VIOLATION, containsBodyErr0REQUIRES_VIOLATION, containsBodyErr22REQUIRES_VIOLATION, containsBodyErr21REQUIRES_VIOLATION, containsBodyErr23REQUIRES_VIOLATION, containsBodyErr1REQUIRES_VIOLATION, containsBodyErr2REQUIRES_VIOLATION, containsBodyErr19REQUIRES_VIOLATION, containsBodyErr40REQUIRES_VIOLATION, containsBodyErr20REQUIRES_VIOLATION, containsBodyErr41REQUIRES_VIOLATION, containsBodyErr16REQUIRES_VIOLATION, containsBodyErr38REQUIRES_VIOLATION, containsBodyErr37REQUIRES_VIOLATION, containsBodyErr39REQUIRES_VIOLATION, containsBodyErr17REQUIRES_VIOLATION, containsBodyErr18REQUIRES_VIOLATION, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr9REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr7REQUIRES_VIOLATION, appendErr5REQUIRES_VIOLATION, appendErr4REQUIRES_VIOLATION, appendErr6REQUIRES_VIOLATION, appendErr3REQUIRES_VIOLATION, appendErr7REQUIRES_VIOLATION, appendErr24REQUIRES_VIOLATION, appendErr25REQUIRES_VIOLATION, appendErr11REQUIRES_VIOLATION, appendErr12REQUIRES_VIOLATION, appendErr8REQUIRES_VIOLATION, appendErr9REQUIRES_VIOLATION, appendErr10REQUIRES_VIOLATION, appendErr16REQUIRES_VIOLATION, appendErr17REQUIRES_VIOLATION, appendErr18REQUIRES_VIOLATION, appendErr13REQUIRES_VIOLATION, appendErr14REQUIRES_VIOLATION, appendErr15REQUIRES_VIOLATION, appendErr21REQUIRES_VIOLATION, appendErr22REQUIRES_VIOLATION, appendErr23REQUIRES_VIOLATION, appendErr2REQUIRES_VIOLATION, appendErr19REQUIRES_VIOLATION, appendErr1REQUIRES_VIOLATION, appendErr20REQUIRES_VIOLATION, appendErr0REQUIRES_VIOLATION]=== [2018-10-27 04:53:43,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:53:43,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2115417376, now seen corresponding path program 1 times [2018-10-27 04:53:43,683 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:53:43,683 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:53:43,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:53:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:53:43,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:53:43,892 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 [2018-10-27 04:53:43,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:43,916 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:43,916 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:53:43,988 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 [2018-10-27 04:53:43,990 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 [2018-10-27 04:53:43,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:43,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:44,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:44,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:28 [2018-10-27 04:53:44,146 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 [2018-10-27 04:53:44,150 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 [2018-10-27 04:53:44,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:46,110 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 [2018-10-27 04:53:46,111 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:53:46,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:53:46,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:53:46,169 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:41, output treesize:76 [2018-10-27 04:53:46,317 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 [2018-10-27 04:53:46,357 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:46,358 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 [2018-10-27 04:53:46,358 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:46,445 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:48,578 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 [2018-10-27 04:53:48,579 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:53:48,665 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:53:48,744 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 [2018-10-27 04:53:48,748 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:48,748 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 [2018-10-27 04:53:48,749 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:48,762 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:48,829 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. [2018-10-27 04:53:48,829 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:106, output treesize:120 [2018-10-27 04:53:48,971 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-27 04:53:48,971 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:49,036 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:49,037 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:49,038 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 35 [2018-10-27 04:53:49,038 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:49,060 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. [2018-10-27 04:53:49,060 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:150, output treesize:62 [2018-10-27 04:53:49,470 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:49,472 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:49,474 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:49,475 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 58 [2018-10-27 04:53:49,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:49,508 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. [2018-10-27 04:53:49,509 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:71, output treesize:80 [2018-10-27 04:53:49,913 INFO L303 Elim1Store]: Index analysis took 174 ms [2018-10-27 04:53:49,913 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 76 treesize of output 74 [2018-10-27 04:53:49,928 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 [2018-10-27 04:53:49,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:49,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,002 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. [2018-10-27 04:53:50,002 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:97, output treesize:84 [2018-10-27 04:53:50,094 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 76 treesize of output 74 [2018-10-27 04:53:50,101 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 [2018-10-27 04:53:50,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,126 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,163 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. [2018-10-27 04:53:50,164 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:97, output treesize:93 [2018-10-27 04:53:50,283 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 69 treesize of output 51 [2018-10-27 04:53:50,308 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 [2018-10-27 04:53:50,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,338 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:53:50,339 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 [2018-10-27 04:53:50,339 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,349 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 26 treesize of output 15 [2018-10-27 04:53:50,349 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:53:50,363 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. [2018-10-27 04:53:50,363 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:87, output treesize:33 [2018-10-27 04:53:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:53:50,426 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:53:55,907 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 24 [2018-10-27 04:54:24,117 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-10-27 04:54:24,320 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-27 04:54:24,437 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-10-27 04:54:24,466 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 [2018-10-27 04:54:24,617 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2018-10-27 04:54:24,627 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 [2018-10-27 04:54:24,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:24,679 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:24,679 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:24,684 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:24,693 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 58 treesize of output 77 [2018-10-27 04:54:24,884 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2018-10-27 04:54:24,893 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:26,701 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 [2018-10-27 04:54:26,706 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:26,736 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:26,737 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:26,738 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 48 [2018-10-27 04:54:26,738 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:27,471 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:27,472 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 28 treesize of output 36 [2018-10-27 04:54:27,472 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:27,508 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:27,586 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 [2018-10-27 04:54:27,620 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:27,644 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:27,645 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 [2018-10-27 04:54:27,646 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:27,748 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:27,762 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 [2018-10-27 04:54:27,788 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:27,789 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 [2018-10-27 04:54:27,789 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:27,896 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:28,053 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:28,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:28,111 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. [2018-10-27 04:54:28,111 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:127, output treesize:29 [2018-10-27 04:54:30,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:54:30,188 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94eeba38-3149-40c1-9967-7e26dff7138d/bin-2019/uautomizer/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 [2018-10-27 04:54:30,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:54:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:54:30,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:54:30,275 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 [2018-10-27 04:54:30,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:30,310 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:30,310 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:54:30,757 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 [2018-10-27 04:54:30,760 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 [2018-10-27 04:54:30,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:30,763 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:30,776 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:30,776 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-10-27 04:54:30,906 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 [2018-10-27 04:54:30,910 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 [2018-10-27 04:54:30,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:36,386 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 [2018-10-27 04:54:36,386 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:54:36,417 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:36,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:36,461 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:50, output treesize:94 [2018-10-27 04:54:36,703 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-10-27 04:54:36,745 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 [2018-10-27 04:54:36,751 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:36,751 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 [2018-10-27 04:54:36,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:36,862 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:41,677 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 [2018-10-27 04:54:41,678 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:54:41,743 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:41,863 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 [2018-10-27 04:54:41,868 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:41,868 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 [2018-10-27 04:54:41,869 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:41,886 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:41,954 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. [2018-10-27 04:54:41,955 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:124, output treesize:147 [2018-10-27 04:54:42,172 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-10-27 04:54:42,173 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:42,208 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:42,209 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:42,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-10-27 04:54:42,210 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:42,249 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. [2018-10-27 04:54:42,249 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:171, output treesize:64 [2018-10-27 04:54:42,381 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:42,383 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:42,386 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:42,387 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 [2018-10-27 04:54:42,387 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:42,422 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. [2018-10-27 04:54:42,422 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:71, output treesize:79 [2018-10-27 04:54:42,699 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 76 treesize of output 74 [2018-10-27 04:54:42,706 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 [2018-10-27 04:54:42,706 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:42,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:42,793 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. [2018-10-27 04:54:42,794 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:97, output treesize:84 [2018-10-27 04:54:42,992 INFO L303 Elim1Store]: Index analysis took 110 ms [2018-10-27 04:54:42,993 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 76 treesize of output 74 [2018-10-27 04:54:42,999 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 [2018-10-27 04:54:42,999 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,036 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,101 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. [2018-10-27 04:54:43,101 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:97, output treesize:93 [2018-10-27 04:54:43,221 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 69 treesize of output 51 [2018-10-27 04:54:43,227 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 [2018-10-27 04:54:43,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,256 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:43,256 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 [2018-10-27 04:54:43,257 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,268 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 26 treesize of output 15 [2018-10-27 04:54:43,268 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,273 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:43,286 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. [2018-10-27 04:54:43,286 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:87, output treesize:33 [2018-10-27 04:54:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:54:43,315 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:54:46,859 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-27 04:54:47,060 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-10-27 04:54:47,168 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-27 04:54:47,598 WARN L179 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2018-10-27 04:54:47,613 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:47,631 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:47,636 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:47,640 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:47,642 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 115 treesize of output 196 [2018-10-27 04:54:47,642 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:47,718 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 [2018-10-27 04:54:47,933 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-10-27 04:54:47,939 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 [2018-10-27 04:54:47,940 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:47,993 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:48,003 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 [2018-10-27 04:54:48,101 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:48,290 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 [2018-10-27 04:54:48,295 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:48,319 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:48,319 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:48,320 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 [2018-10-27 04:54:48,320 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:50,800 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:50,801 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 28 treesize of output 36 [2018-10-27 04:54:50,802 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:50,862 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:50,926 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 [2018-10-27 04:54:50,939 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:50,939 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:50,941 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:50,942 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 [2018-10-27 04:54:50,942 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:50,958 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:50,988 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 [2018-10-27 04:54:50,994 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:54:50,994 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:54:50,995 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 [2018-10-27 04:54:50,995 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 04:54:51,005 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:54:51,032 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:51,058 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:54:51,099 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. [2018-10-27 04:54:51,100 INFO L202 ElimStorePlain]: Needed 12 recursive calls to eliminate 7 variables, input treesize:134, output treesize:20 [2018-10-27 04:55:14,503 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-27 04:55:14,533 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 121 treesize of output 92 [2018-10-27 04:55:14,652 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-10-27 04:55:14,659 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 [2018-10-27 04:55:14,659 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:14,935 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 87 [2018-10-27 04:55:15,265 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-27 04:55:15,289 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 [2018-10-27 04:55:15,323 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:15,324 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 [2018-10-27 04:55:15,324 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:15,359 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:55:15,367 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 70 treesize of output 68 [2018-10-27 04:55:15,373 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:15,374 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 [2018-10-27 04:55:15,374 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:15,417 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:55:15,427 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 82 treesize of output 80 [2018-10-27 04:55:15,434 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:15,435 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 [2018-10-27 04:55:15,435 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:15,487 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:55:16,623 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 [2018-10-27 04:55:16,627 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:16,628 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 [2018-10-27 04:55:16,629 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:16,722 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:23,273 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 90 [2018-10-27 04:55:23,274 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 3 xjuncts. [2018-10-27 04:55:26,329 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:55:27,080 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 69 treesize of output 76 [2018-10-27 04:55:27,106 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:32,941 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 67 treesize of output 83 [2018-10-27 04:55:32,942 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-10-27 04:55:33,214 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:55:33,215 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 67 treesize of output 72 [2018-10-27 04:55:33,215 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-27 04:55:33,350 INFO L267 ElimStorePlain]: Start of recursive call 14: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:55:33,945 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 52 treesize of output 63 [2018-10-27 04:55:33,952 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 [2018-10-27 04:55:33,952 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:55:35,072 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:55:35,073 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_44 term size 40 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:234) 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:435) 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) [2018-10-27 04:55:35,075 INFO L168 Benchmark]: Toolchain (without parser) took 124026.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 354.4 MB). Free memory was 943.8 MB in the beginning and 973.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 324.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:55:35,076 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-27 04:55:35,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 917.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:55:35,076 INFO L168 Benchmark]: Boogie Preprocessor took 156.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 917.0 MB in the beginning and 1.2 GB in the end (delta: -265.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:55:35,077 INFO L168 Benchmark]: RCFGBuilder took 2516.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:55:35,077 INFO L168 Benchmark]: TraceAbstraction took 120822.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 973.6 MB in the end (delta: 91.9 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:55:35,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.24 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 917.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 156.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 917.0 MB in the beginning and 1.2 GB in the end (delta: -265.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2516.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 117.2 MB). Peak memory consumption was 117.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 120822.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 973.6 MB in the end (delta: 91.9 MB). Peak memory consumption was 251.2 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_44 term size 40 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_44 term size 40: 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...