./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.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_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_64 term size 41 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:37:46,850 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:37:46,851 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:37:46,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:37:46,859 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:37:46,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:37:46,860 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:37:46,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:37:46,862 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:37:46,863 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:37:46,864 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:37:46,864 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:37:46,864 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:37:46,865 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:37:46,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:37:46,866 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:37:46,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:37:46,868 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:37:46,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:37:46,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:37:46,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:37:46,872 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:37:46,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:37:46,874 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:37:46,874 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:37:46,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:37:46,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:37:46,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:37:46,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:37:46,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:37:46,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:37:46,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:37:46,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:37:46,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:37:46,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:37:46,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:37:46,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-10 04:37:46,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:37:46,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:37:46,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:37:46,891 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:37:46,891 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:37:46,892 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:37:46,892 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 04:37:46,892 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:37:46,892 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 04:37:46,892 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 04:37:46,892 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:37:46,893 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:37:46,893 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:37:46,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:37:46,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:37:46,893 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 04:37:46,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:37:46,895 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:46,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:37:46,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:37:46,896 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 04:37:46,896 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:37:46,896 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:37:46,896 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-11-10 04:37:46,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:37:46,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:37:46,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:37:46,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:37:46,930 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:37:46,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-10 04:37:46,968 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/6877024d8/5e55d781022f4195a8f09b838efb3041/FLAG5b9de896e [2018-11-10 04:37:47,321 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:37:47,322 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-10 04:37:47,331 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/6877024d8/5e55d781022f4195a8f09b838efb3041/FLAG5b9de896e [2018-11-10 04:37:47,342 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/6877024d8/5e55d781022f4195a8f09b838efb3041 [2018-11-10 04:37:47,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:37:47,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:37:47,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:47,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:37:47,348 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:37:47,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cdfcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47, skipping insertion in model container [2018-11-10 04:37:47,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:37:47,387 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:37:47,588 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:47,595 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:37:47,637 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:37:47,665 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:37:47,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47 WrapperNode [2018-11-10 04:37:47,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:37:47,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:47,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:37:47,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:37:47,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:37:47,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:37:47,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:37:47,760 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:37:47,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... [2018-11-10 04:37:47,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:37:47,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:37:47,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:37:47,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:37:47,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:37:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-10 04:37:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-10 04:37:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:37:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:37:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:37:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:37:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-10 04:37:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-10 04:37:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:37:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:37:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-10 04:37:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-10 04:37:48,642 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:37:48,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:48 BoogieIcfgContainer [2018-11-10 04:37:48,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:37:48,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:37:48,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:37:48,645 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:37:48,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:37:47" (1/3) ... [2018-11-10 04:37:48,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a355114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:48, skipping insertion in model container [2018-11-10 04:37:48,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:37:47" (2/3) ... [2018-11-10 04:37:48,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a355114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:37:48, skipping insertion in model container [2018-11-10 04:37:48,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:37:48" (3/3) ... [2018-11-10 04:37:48,647 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-11-10 04:37:48,653 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:37:48,659 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-10 04:37:48,669 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-10 04:37:48,686 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:37:48,686 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 04:37:48,687 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:37:48,687 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:37:48,687 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:37:48,687 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:37:48,687 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:37:48,687 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:37:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states. [2018-11-10 04:37:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:37:48,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:48,711 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:48,715 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:48,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:48,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1751099008, now seen corresponding path program 1 times [2018-11-10 04:37:48,722 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:48,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:48,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:48,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:48,752 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:48,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:48,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:48,820 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:48,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:48,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:48,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:48,833 INFO L87 Difference]: Start difference. First operand 371 states. Second operand 3 states. [2018-11-10 04:37:49,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:49,184 INFO L93 Difference]: Finished difference Result 374 states and 412 transitions. [2018-11-10 04:37:49,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:49,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 04:37:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:49,193 INFO L225 Difference]: With dead ends: 374 [2018-11-10 04:37:49,193 INFO L226 Difference]: Without dead ends: 371 [2018-11-10 04:37:49,194 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-10 04:37:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-11-10 04:37:49,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-10 04:37:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 403 transitions. [2018-11-10 04:37:49,233 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 403 transitions. Word has length 7 [2018-11-10 04:37:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:49,233 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 403 transitions. [2018-11-10 04:37:49,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 403 transitions. [2018-11-10 04:37:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:37:49,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:49,234 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:49,237 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:49,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:49,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1550505319, now seen corresponding path program 1 times [2018-11-10 04:37:49,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:49,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:49,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,239 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:49,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:49,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:49,282 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:49,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:49,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:49,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:49,283 INFO L87 Difference]: Start difference. First operand 367 states and 403 transitions. Second operand 3 states. [2018-11-10 04:37:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:49,446 INFO L93 Difference]: Finished difference Result 366 states and 402 transitions. [2018-11-10 04:37:49,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:49,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 04:37:49,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:49,448 INFO L225 Difference]: With dead ends: 366 [2018-11-10 04:37:49,448 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:37:49,448 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:49,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:37:49,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-10 04:37:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-10 04:37:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 402 transitions. [2018-11-10 04:37:49,464 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 402 transitions. Word has length 8 [2018-11-10 04:37:49,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:49,464 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 402 transitions. [2018-11-10 04:37:49,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 402 transitions. [2018-11-10 04:37:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:37:49,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:49,465 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:49,468 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:49,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:49,468 INFO L82 PathProgramCache]: Analyzing trace with hash -821024350, now seen corresponding path program 1 times [2018-11-10 04:37:49,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:49,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:49,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,470 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:49,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:49,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:37:49,502 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:49,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:49,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:49,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:49,503 INFO L87 Difference]: Start difference. First operand 366 states and 402 transitions. Second operand 5 states. [2018-11-10 04:37:49,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:49,837 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions. [2018-11-10 04:37:49,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:49,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-10 04:37:49,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:49,840 INFO L225 Difference]: With dead ends: 369 [2018-11-10 04:37:49,840 INFO L226 Difference]: Without dead ends: 369 [2018-11-10 04:37:49,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:49,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-10 04:37:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-11-10 04:37:49,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-10 04:37:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 401 transitions. [2018-11-10 04:37:49,853 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 401 transitions. Word has length 9 [2018-11-10 04:37:49,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:49,853 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 401 transitions. [2018-11-10 04:37:49,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 401 transitions. [2018-11-10 04:37:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:37:49,854 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:49,854 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:49,856 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:49,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:49,857 INFO L82 PathProgramCache]: Analyzing trace with hash 318049211, now seen corresponding path program 1 times [2018-11-10 04:37:49,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:49,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:49,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:49,858 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:49,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:49,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:49,916 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:49,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:49,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:49,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:49,917 INFO L87 Difference]: Start difference. First operand 365 states and 401 transitions. Second operand 4 states. [2018-11-10 04:37:50,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:50,103 INFO L93 Difference]: Finished difference Result 368 states and 406 transitions. [2018-11-10 04:37:50,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:50,103 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-10 04:37:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:50,104 INFO L225 Difference]: With dead ends: 368 [2018-11-10 04:37:50,104 INFO L226 Difference]: Without dead ends: 368 [2018-11-10 04:37:50,104 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:50,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-11-10 04:37:50,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2018-11-10 04:37:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-11-10 04:37:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2018-11-10 04:37:50,110 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 10 [2018-11-10 04:37:50,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:50,110 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2018-11-10 04:37:50,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:50,110 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2018-11-10 04:37:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:37:50,110 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:50,110 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:50,111 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:50,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:50,111 INFO L82 PathProgramCache]: Analyzing trace with hash -842581608, now seen corresponding path program 1 times [2018-11-10 04:37:50,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:50,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:50,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,112 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:50,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:50,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:50,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:50,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:50,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:50,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:50,150 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand 3 states. [2018-11-10 04:37:50,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:50,346 INFO L93 Difference]: Finished difference Result 363 states and 399 transitions. [2018-11-10 04:37:50,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:50,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-10 04:37:50,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:50,348 INFO L225 Difference]: With dead ends: 363 [2018-11-10 04:37:50,348 INFO L226 Difference]: Without dead ends: 363 [2018-11-10 04:37:50,348 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:50,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-11-10 04:37:50,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-11-10 04:37:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-10 04:37:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2018-11-10 04:37:50,356 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 16 [2018-11-10 04:37:50,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:50,356 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2018-11-10 04:37:50,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2018-11-10 04:37:50,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:37:50,357 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:50,357 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:50,358 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:50,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:50,358 INFO L82 PathProgramCache]: Analyzing trace with hash -350225560, now seen corresponding path program 1 times [2018-11-10 04:37:50,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:50,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:50,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,359 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:50,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:50,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:37:50,396 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:50,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:50,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:50,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:50,397 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand 3 states. [2018-11-10 04:37:50,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:50,536 INFO L93 Difference]: Finished difference Result 362 states and 398 transitions. [2018-11-10 04:37:50,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:50,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-10 04:37:50,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:50,538 INFO L225 Difference]: With dead ends: 362 [2018-11-10 04:37:50,538 INFO L226 Difference]: Without dead ends: 362 [2018-11-10 04:37:50,538 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:50,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-11-10 04:37:50,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2018-11-10 04:37:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-10 04:37:50,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 398 transitions. [2018-11-10 04:37:50,544 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 398 transitions. Word has length 17 [2018-11-10 04:37:50,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:50,545 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 398 transitions. [2018-11-10 04:37:50,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:50,545 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 398 transitions. [2018-11-10 04:37:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 04:37:50,545 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:50,545 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:50,546 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:50,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash 2027910042, now seen corresponding path program 1 times [2018-11-10 04:37:50,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:50,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:50,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:50,554 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:50,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:50,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 04:37:50,648 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:50,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:50,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:50,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:50,649 INFO L87 Difference]: Start difference. First operand 362 states and 398 transitions. Second operand 9 states. [2018-11-10 04:37:51,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:51,156 INFO L93 Difference]: Finished difference Result 417 states and 460 transitions. [2018-11-10 04:37:51,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:51,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-11-10 04:37:51,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:51,158 INFO L225 Difference]: With dead ends: 417 [2018-11-10 04:37:51,158 INFO L226 Difference]: Without dead ends: 417 [2018-11-10 04:37:51,158 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-10 04:37:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 376. [2018-11-10 04:37:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-11-10 04:37:51,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 420 transitions. [2018-11-10 04:37:51,166 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 420 transitions. Word has length 18 [2018-11-10 04:37:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:51,166 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 420 transitions. [2018-11-10 04:37:51,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 420 transitions. [2018-11-10 04:37:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:37:51,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:51,167 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:51,168 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:51,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:51,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1559297622, now seen corresponding path program 1 times [2018-11-10 04:37:51,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:51,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,169 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:51,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:51,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:37:51,249 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:51,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:37:51,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:37:51,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:51,249 INFO L87 Difference]: Start difference. First operand 376 states and 420 transitions. Second operand 7 states. [2018-11-10 04:37:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:51,974 INFO L93 Difference]: Finished difference Result 434 states and 492 transitions. [2018-11-10 04:37:51,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:37:51,974 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-10 04:37:51,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:51,976 INFO L225 Difference]: With dead ends: 434 [2018-11-10 04:37:51,977 INFO L226 Difference]: Without dead ends: 434 [2018-11-10 04:37:51,977 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:51,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-11-10 04:37:51,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 375. [2018-11-10 04:37:51,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-10 04:37:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 418 transitions. [2018-11-10 04:37:51,987 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 418 transitions. Word has length 19 [2018-11-10 04:37:51,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:51,987 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 418 transitions. [2018-11-10 04:37:51,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:37:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 418 transitions. [2018-11-10 04:37:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:37:51,988 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:51,988 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] [2018-11-10 04:37:51,989 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:51,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:51,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1331331967, now seen corresponding path program 1 times [2018-11-10 04:37:51,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:51,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:51,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:51,990 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:52,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:37:52,079 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:52,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:52,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:52,080 INFO L87 Difference]: Start difference. First operand 375 states and 418 transitions. Second operand 8 states. [2018-11-10 04:37:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,794 INFO L93 Difference]: Finished difference Result 431 states and 489 transitions. [2018-11-10 04:37:52,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:37:52,795 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-11-10 04:37:52,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,796 INFO L225 Difference]: With dead ends: 431 [2018-11-10 04:37:52,797 INFO L226 Difference]: Without dead ends: 431 [2018-11-10 04:37:52,797 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 04:37:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-10 04:37:52,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 372. [2018-11-10 04:37:52,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-11-10 04:37:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 415 transitions. [2018-11-10 04:37:52,808 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 415 transitions. Word has length 22 [2018-11-10 04:37:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,808 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 415 transitions. [2018-11-10 04:37:52,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 415 transitions. [2018-11-10 04:37:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:37:52,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:52,809 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] [2018-11-10 04:37:52,810 INFO L424 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:52,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:52,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1331337989, now seen corresponding path program 1 times [2018-11-10 04:37:52,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:52,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:52,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,815 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:52,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:52,845 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:52,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:37:52,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:37:52,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:52,845 INFO L87 Difference]: Start difference. First operand 372 states and 415 transitions. Second operand 3 states. [2018-11-10 04:37:52,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:52,857 INFO L93 Difference]: Finished difference Result 373 states and 416 transitions. [2018-11-10 04:37:52,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:37:52,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-10 04:37:52,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:52,860 INFO L225 Difference]: With dead ends: 373 [2018-11-10 04:37:52,860 INFO L226 Difference]: Without dead ends: 373 [2018-11-10 04:37:52,860 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:37:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-11-10 04:37:52,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-11-10 04:37:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-10 04:37:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 416 transitions. [2018-11-10 04:37:52,869 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 416 transitions. Word has length 22 [2018-11-10 04:37:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:52,870 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 416 transitions. [2018-11-10 04:37:52,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:37:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 416 transitions. [2018-11-10 04:37:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:37:52,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:52,870 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] [2018-11-10 04:37:52,871 INFO L424 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:52,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash -490216991, now seen corresponding path program 1 times [2018-11-10 04:37:52,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:52,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:52,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:52,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:52,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:52,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:37:52,899 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:52,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:37:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:37:52,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:37:52,900 INFO L87 Difference]: Start difference. First operand 373 states and 416 transitions. Second operand 5 states. [2018-11-10 04:37:53,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:53,229 INFO L93 Difference]: Finished difference Result 370 states and 413 transitions. [2018-11-10 04:37:53,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:37:53,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-10 04:37:53,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:53,231 INFO L225 Difference]: With dead ends: 370 [2018-11-10 04:37:53,231 INFO L226 Difference]: Without dead ends: 370 [2018-11-10 04:37:53,232 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:53,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-11-10 04:37:53,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2018-11-10 04:37:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-11-10 04:37:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 413 transitions. [2018-11-10 04:37:53,241 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 413 transitions. Word has length 24 [2018-11-10 04:37:53,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:53,242 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 413 transitions. [2018-11-10 04:37:53,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:37:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 413 transitions. [2018-11-10 04:37:53,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:37:53,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:53,245 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] [2018-11-10 04:37:53,245 INFO L424 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:53,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:53,246 INFO L82 PathProgramCache]: Analyzing trace with hash -483906393, now seen corresponding path program 1 times [2018-11-10 04:37:53,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:53,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:53,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:53,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:53,246 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:53,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:53,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 04:37:53,287 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:53,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:37:53,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:37:53,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:37:53,288 INFO L87 Difference]: Start difference. First operand 370 states and 413 transitions. Second operand 6 states. [2018-11-10 04:37:53,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:53,643 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-11-10 04:37:53,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:53,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-10 04:37:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:53,646 INFO L225 Difference]: With dead ends: 366 [2018-11-10 04:37:53,646 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:37:53,646 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:37:53,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:37:53,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-10 04:37:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-10 04:37:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2018-11-10 04:37:53,654 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 24 [2018-11-10 04:37:53,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:53,655 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2018-11-10 04:37:53,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:37:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2018-11-10 04:37:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:37:53,657 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:53,657 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:53,658 INFO L424 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:53,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:53,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1983142996, now seen corresponding path program 1 times [2018-11-10 04:37:53,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:53,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:53,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:53,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:53,660 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:53,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:53,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:37:53,748 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:53,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:53,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:53,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:53,749 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 8 states. [2018-11-10 04:37:54,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:54,120 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-11-10 04:37:54,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:54,121 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-10 04:37:54,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:54,121 INFO L225 Difference]: With dead ends: 366 [2018-11-10 04:37:54,122 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:37:54,122 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:37:54,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2018-11-10 04:37:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-11-10 04:37:54,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 407 transitions. [2018-11-10 04:37:54,130 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 407 transitions. Word has length 25 [2018-11-10 04:37:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:54,130 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 407 transitions. [2018-11-10 04:37:54,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 407 transitions. [2018-11-10 04:37:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:37:54,131 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:54,131 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:54,131 INFO L424 AbstractCegarLoop]: === Iteration 14 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:54,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2116195741, now seen corresponding path program 1 times [2018-11-10 04:37:54,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:54,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:54,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,133 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:54,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:54,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:54,178 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:54,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:54,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:54,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:54,178 INFO L87 Difference]: Start difference. First operand 364 states and 407 transitions. Second operand 4 states. [2018-11-10 04:37:54,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:54,368 INFO L93 Difference]: Finished difference Result 362 states and 405 transitions. [2018-11-10 04:37:54,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:54,369 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-10 04:37:54,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:54,370 INFO L225 Difference]: With dead ends: 362 [2018-11-10 04:37:54,370 INFO L226 Difference]: Without dead ends: 362 [2018-11-10 04:37:54,371 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 [2018-11-10 04:37:54,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-11-10 04:37:54,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2018-11-10 04:37:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-10 04:37:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 405 transitions. [2018-11-10 04:37:54,376 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 405 transitions. Word has length 25 [2018-11-10 04:37:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:54,376 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 405 transitions. [2018-11-10 04:37:54,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 405 transitions. [2018-11-10 04:37:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:37:54,376 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:54,377 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:54,377 INFO L424 AbstractCegarLoop]: === Iteration 15 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:54,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:54,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1165043146, now seen corresponding path program 1 times [2018-11-10 04:37:54,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:54,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:54,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,378 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:54,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:54,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:37:54,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:54,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:37:54,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:37:54,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:37:54,425 INFO L87 Difference]: Start difference. First operand 362 states and 405 transitions. Second operand 8 states. [2018-11-10 04:37:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:54,764 INFO L93 Difference]: Finished difference Result 364 states and 421 transitions. [2018-11-10 04:37:54,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:37:54,765 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-10 04:37:54,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:54,767 INFO L225 Difference]: With dead ends: 364 [2018-11-10 04:37:54,767 INFO L226 Difference]: Without dead ends: 364 [2018-11-10 04:37:54,768 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:37:54,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-10 04:37:54,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-11-10 04:37:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-11-10 04:37:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 403 transitions. [2018-11-10 04:37:54,777 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 403 transitions. Word has length 27 [2018-11-10 04:37:54,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:54,777 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 403 transitions. [2018-11-10 04:37:54,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:37:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 403 transitions. [2018-11-10 04:37:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:37:54,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:54,778 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:54,778 INFO L424 AbstractCegarLoop]: === Iteration 16 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:54,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:54,778 INFO L82 PathProgramCache]: Analyzing trace with hash -2144558299, now seen corresponding path program 1 times [2018-11-10 04:37:54,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:54,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:54,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:54,779 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:54,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:54,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:37:54,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:54,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:37:54,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:37:54,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:37:54,823 INFO L87 Difference]: Start difference. First operand 360 states and 403 transitions. Second operand 4 states. [2018-11-10 04:37:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:55,061 INFO L93 Difference]: Finished difference Result 360 states and 417 transitions. [2018-11-10 04:37:55,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:37:55,062 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-10 04:37:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:55,063 INFO L225 Difference]: With dead ends: 360 [2018-11-10 04:37:55,064 INFO L226 Difference]: Without dead ends: 360 [2018-11-10 04:37:55,064 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 [2018-11-10 04:37:55,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-11-10 04:37:55,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 358. [2018-11-10 04:37:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-10 04:37:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2018-11-10 04:37:55,073 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 27 [2018-11-10 04:37:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:55,073 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2018-11-10 04:37:55,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:37:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2018-11-10 04:37:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 04:37:55,074 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:55,074 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] [2018-11-10 04:37:55,075 INFO L424 AbstractCegarLoop]: === Iteration 17 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:55,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:55,075 INFO L82 PathProgramCache]: Analyzing trace with hash -897201363, now seen corresponding path program 1 times [2018-11-10 04:37:55,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:55,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:55,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:55,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:55,077 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:55,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:55,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:37:55,187 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:55,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:55,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:55,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:55,188 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand 9 states. [2018-11-10 04:37:55,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:55,541 INFO L93 Difference]: Finished difference Result 377 states and 423 transitions. [2018-11-10 04:37:55,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:37:55,542 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-10 04:37:55,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:55,543 INFO L225 Difference]: With dead ends: 377 [2018-11-10 04:37:55,543 INFO L226 Difference]: Without dead ends: 377 [2018-11-10 04:37:55,543 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-11-10 04:37:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-10 04:37:55,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2018-11-10 04:37:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-11-10 04:37:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 413 transitions. [2018-11-10 04:37:55,551 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 413 transitions. Word has length 30 [2018-11-10 04:37:55,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:55,551 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 413 transitions. [2018-11-10 04:37:55,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 413 transitions. [2018-11-10 04:37:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:37:55,556 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:55,556 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, 1, 1] [2018-11-10 04:37:55,557 INFO L424 AbstractCegarLoop]: === Iteration 18 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:55,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:55,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1038322167, now seen corresponding path program 1 times [2018-11-10 04:37:55,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:55,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:55,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:55,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:55,558 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:55,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:37:55,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:37:55,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 04:37:55,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:37:55,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:37:55,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:37:55,720 INFO L87 Difference]: Start difference. First operand 368 states and 413 transitions. Second operand 9 states. [2018-11-10 04:37:55,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:37:55,986 INFO L93 Difference]: Finished difference Result 373 states and 418 transitions. [2018-11-10 04:37:55,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:37:55,986 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-10 04:37:55,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:37:55,987 INFO L225 Difference]: With dead ends: 373 [2018-11-10 04:37:55,987 INFO L226 Difference]: Without dead ends: 373 [2018-11-10 04:37:55,988 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-10 04:37:55,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-11-10 04:37:55,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2018-11-10 04:37:55,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-10 04:37:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 416 transitions. [2018-11-10 04:37:55,994 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 416 transitions. Word has length 32 [2018-11-10 04:37:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:37:55,994 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 416 transitions. [2018-11-10 04:37:55,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:37:55,994 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 416 transitions. [2018-11-10 04:37:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 04:37:55,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:37:55,999 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:37:55,999 INFO L424 AbstractCegarLoop]: === Iteration 19 === [containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:37:55,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:55,999 INFO L82 PathProgramCache]: Analyzing trace with hash 491786038, now seen corresponding path program 1 times [2018-11-10 04:37:56,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 04:37:56,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:56,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:56,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:37:56,000 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 04:37:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:56,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:56,487 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 04:37:56,487 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-11-10 04:37:56,488 INFO L202 CegarAbsIntRunner]: [0], [1], [247], [249], [251], [253], [255], [259], [263], [267], [275], [278], [478], [480], [482], [484], [486], [489], [491], [493], [495], [499], [501], [503], [505], [507], [509], [511], [513], [515], [516], [518], [520], [522], [524], [526], [528], [530], [532], [533], [541], [542], [543], [544], [546], [547], [548] [2018-11-10 04:37:56,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 04:37:56,522 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 04:37:57,577 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 04:37:57,578 INFO L272 AbstractInterpreter]: Visited 47 different actions 80 times. Merged at 1 different actions 2 times. Never widened. Found 2 fixpoints after 1 different actions. Largest state had 58 variables. [2018-11-10 04:37:57,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:37:57,584 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 04:37:57,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:37:57,584 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:37:57,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:37:57,592 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 04:37:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:37:57,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:37:57,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:37:57,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:57,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:37:57,704 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:57,711 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:57,711 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-11-10 04:37:58,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 04:37:58,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:58,032 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,043 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,043 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:45 [2018-11-10 04:37:58,102 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 19 treesize of output 31 [2018-11-10 04:37:58,105 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 20 treesize of output 19 [2018-11-10 04:37:58,106 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2018-11-10 04:37:58,126 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:58,135 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:37:58,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-11-10 04:37:58,150 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:53, output treesize:76 [2018-11-10 04:37:58,240 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 66 treesize of output 71 [2018-11-10 04:37:58,244 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 67 treesize of output 66 [2018-11-10 04:37:58,244 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,277 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 49 treesize of output 48 [2018-11-10 04:37:58,277 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:58,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:37:58,330 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 36 treesize of output 33 [2018-11-10 04:37:58,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:58,332 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,337 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-11-10 04:37:58,366 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:103, output treesize:98 [2018-11-10 04:37:58,479 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 13 treesize of output 9 [2018-11-10 04:37:58,479 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,492 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:58,493 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:58,494 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 25 treesize of output 29 [2018-11-10 04:37:58,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,505 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:83, output treesize:34 [2018-11-10 04:37:58,589 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:58,590 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:58,591 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:37:58,592 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 26 treesize of output 50 [2018-11-10 04:37:58,593 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,606 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:51 [2018-11-10 04:37:58,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-11-10 04:37:58,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:58,708 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,723 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,723 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:62, output treesize:51 [2018-11-10 04:37:58,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-11-10 04:37:58,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:37:58,780 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,799 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,799 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:60, output treesize:49 [2018-11-10 04:37:58,837 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 33 treesize of output 25 [2018-11-10 04:37:58,839 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:58,839 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 25 treesize of output 17 [2018-11-10 04:37:58,840 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,844 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:37:58,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:58,852 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:56, output treesize:28 [2018-11-10 04:37:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:37:58,903 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 04:37:59,296 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 82 treesize of output 60 [2018-11-10 04:37:59,312 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 9 treesize of output 8 [2018-11-10 04:37:59,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:59,323 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,324 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,338 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 48 treesize of output 72 [2018-11-10 04:37:59,402 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 47 treesize of output 50 [2018-11-10 04:37:59,415 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 16 treesize of output 22 [2018-11-10 04:37:59,415 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:59,427 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:37:59,465 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 40 treesize of output 48 [2018-11-10 04:37:59,473 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 41 treesize of output 47 [2018-11-10 04:37:59,473 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:59,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 64 [2018-11-10 04:37:59,510 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-11-10 04:37:59,552 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 04:37:59,611 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 45 treesize of output 37 [2018-11-10 04:37:59,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,613 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,614 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-11-10 04:37:59,614 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:59,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-11-10 04:37:59,625 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-10 04:37:59,631 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-11-10 04:37:59,633 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 41 treesize of output 35 [2018-11-10 04:37:59,635 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 6 treesize of output 1 [2018-11-10 04:37:59,635 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 04:37:59,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,641 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,642 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-11-10 04:37:59,642 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:59,648 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:37:59,707 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-10 04:37:59,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 40 [2018-11-10 04:37:59,721 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:37:59,751 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-10 04:37:59,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-10 04:37:59,758 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,760 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2018-11-10 04:37:59,768 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-10 04:37:59,800 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-11-10 04:37:59,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-11-10 04:37:59,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 40 [2018-11-10 04:37:59,826 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:37:59,875 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-11-10 04:37:59,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-11-10 04:37:59,887 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,893 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:37:59,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 64 [2018-11-10 04:37:59,919 INFO L267 ElimStorePlain]: Start of recursive call 23: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 20 xjuncts. [2018-11-10 04:38:00,094 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 13 xjuncts. [2018-11-10 04:38:00,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-11-10 04:38:00,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2018-11-10 04:38:00,105 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:38:00,117 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:38:00,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2018-11-10 04:38:00,406 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:00,407 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:00,407 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-11-10 04:38:00,408 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:00,420 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:00,421 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:00,633 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:38:00,634 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_31 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:383) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:216) 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) [2018-11-10 04:38:00,637 INFO L168 Benchmark]: Toolchain (without parser) took 13292.25 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 501.2 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -80.0 MB). Peak memory consumption was 421.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,637 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:38:00,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 932.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 932.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,638 INFO L168 Benchmark]: Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,639 INFO L168 Benchmark]: RCFGBuilder took 835.01 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: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,639 INFO L168 Benchmark]: TraceAbstraction took 11993.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -32.1 MB). Peak memory consumption was 335.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:38:00,643 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 932.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 932.3 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 835.01 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: 115.5 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11993.01 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 368.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -32.1 MB). Peak memory consumption was 335.9 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_31 term size 40 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_31 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:38:02,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:38:02,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:38:02,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:38:02,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:38:02,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:38:02,082 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:38:02,083 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:38:02,084 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:38:02,085 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:38:02,086 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:38:02,086 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:38:02,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:38:02,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:38:02,088 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:38:02,088 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:38:02,089 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:38:02,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:38:02,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:38:02,094 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:38:02,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:38:02,096 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:38:02,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:38:02,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:38:02,098 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:38:02,099 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:38:02,099 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:38:02,100 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:38:02,100 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:38:02,101 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:38:02,101 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:38:02,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:38:02,102 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:38:02,102 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:38:02,103 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:38:02,103 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:38:02,104 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-11-10 04:38:02,115 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:38:02,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:38:02,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:38:02,116 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 04:38:02,116 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 04:38:02,116 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 04:38:02,116 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 04:38:02,116 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 04:38:02,117 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:38:02,117 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:38:02,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:38:02,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:38:02,117 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 04:38:02,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:38:02,118 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:38:02,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:38:02,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:38:02,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:38:02,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:38:02,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:38:02,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:38:02,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:38:02,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:38:02,121 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 04:38:02,121 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:38:02,121 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:38:02,121 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_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-11-10 04:38:02,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:38:02,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:38:02,160 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:38:02,161 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:38:02,161 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:38:02,162 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-10 04:38:02,197 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/411d6019d/dd199c4aefb143b2a75b0318e5e71d02/FLAG4d2c4b31b [2018-11-10 04:38:02,534 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:38:02,535 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-11-10 04:38:02,545 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/411d6019d/dd199c4aefb143b2a75b0318e5e71d02/FLAG4d2c4b31b [2018-11-10 04:38:02,553 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/data/411d6019d/dd199c4aefb143b2a75b0318e5e71d02 [2018-11-10 04:38:02,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:38:02,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:38:02,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:38:02,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:38:02,558 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:38:02,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:02,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50737c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02, skipping insertion in model container [2018-11-10 04:38:02,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:02,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:38:02,600 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:38:02,845 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:38:02,857 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:38:02,907 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:38:02,943 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:38:02,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02 WrapperNode [2018-11-10 04:38:02,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:38:02,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:38:02,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:38:02,944 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:38:02,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:38:03,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:38:03,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:38:03,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:38:03,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... [2018-11-10 04:38:03,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:38:03,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:38:03,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:38:03,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:38:03,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-11-10 04:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-11-10 04:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-11-10 04:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-11-10 04:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-11-10 04:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-11-10 04:38:04,484 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:38:04,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:38:04 BoogieIcfgContainer [2018-11-10 04:38:04,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:38:04,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:38:04,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:38:04,489 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:38:04,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:38:02" (1/3) ... [2018-11-10 04:38:04,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc1b96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:38:04, skipping insertion in model container [2018-11-10 04:38:04,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:38:02" (2/3) ... [2018-11-10 04:38:04,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc1b96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:38:04, skipping insertion in model container [2018-11-10 04:38:04,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:38:04" (3/3) ... [2018-11-10 04:38:04,492 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-11-10 04:38:04,499 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:38:04,506 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-11-10 04:38:04,518 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-11-10 04:38:04,539 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:38:04,539 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:38:04,540 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 04:38:04,540 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:38:04,540 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:38:04,540 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:38:04,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:38:04,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:38:04,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:38:04,560 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states. [2018-11-10 04:38:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:38:04,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:04,568 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:04,572 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:04,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:04,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1608394139, now seen corresponding path program 1 times [2018-11-10 04:38:04,580 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:04,581 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:04,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:04,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:04,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:04,690 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:04,696 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:04,696 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-10 04:38:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:04,717 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:04,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:04,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:38:04,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:38:04,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:38:04,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:04,732 INFO L87 Difference]: Start difference. First operand 366 states. Second operand 3 states. [2018-11-10 04:38:05,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:05,305 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions. [2018-11-10 04:38:05,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:05,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 04:38:05,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:05,317 INFO L225 Difference]: With dead ends: 369 [2018-11-10 04:38:05,317 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:38:05,319 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:05,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:38:05,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2018-11-10 04:38:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-10 04:38:05,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 398 transitions. [2018-11-10 04:38:05,365 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 398 transitions. Word has length 7 [2018-11-10 04:38:05,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:05,365 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 398 transitions. [2018-11-10 04:38:05,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:38:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 398 transitions. [2018-11-10 04:38:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 04:38:05,366 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:05,366 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:05,370 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:05,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:05,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1679388962, now seen corresponding path program 1 times [2018-11-10 04:38:05,371 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:05,371 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:05,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:05,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:05,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:05,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:05,442 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:05,442 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-10 04:38:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:05,456 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:05,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:05,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:38:05,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:38:05,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:38:05,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:05,463 INFO L87 Difference]: Start difference. First operand 362 states and 398 transitions. Second operand 3 states. [2018-11-10 04:38:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:06,058 INFO L93 Difference]: Finished difference Result 361 states and 397 transitions. [2018-11-10 04:38:06,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:06,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 04:38:06,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:06,061 INFO L225 Difference]: With dead ends: 361 [2018-11-10 04:38:06,061 INFO L226 Difference]: Without dead ends: 361 [2018-11-10 04:38:06,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-11-10 04:38:06,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-11-10 04:38:06,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-10 04:38:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 397 transitions. [2018-11-10 04:38:06,078 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 397 transitions. Word has length 8 [2018-11-10 04:38:06,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:06,078 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 397 transitions. [2018-11-10 04:38:06,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:38:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 397 transitions. [2018-11-10 04:38:06,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:38:06,079 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:06,079 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:06,081 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:06,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:06,082 INFO L82 PathProgramCache]: Analyzing trace with hash -521449987, now seen corresponding path program 1 times [2018-11-10 04:38:06,082 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:06,082 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:06,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:06,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:06,121 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:06,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:06,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:06,125 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:06,145 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:06,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:06,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:38:06,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:38:06,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:38:06,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:06,147 INFO L87 Difference]: Start difference. First operand 361 states and 397 transitions. Second operand 5 states. [2018-11-10 04:38:06,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:06,825 INFO L93 Difference]: Finished difference Result 364 states and 402 transitions. [2018-11-10 04:38:06,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:06,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-11-10 04:38:06,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:06,827 INFO L225 Difference]: With dead ends: 364 [2018-11-10 04:38:06,827 INFO L226 Difference]: Without dead ends: 364 [2018-11-10 04:38:06,828 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 [2018-11-10 04:38:06,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-10 04:38:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-11-10 04:38:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-11-10 04:38:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 396 transitions. [2018-11-10 04:38:06,838 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 396 transitions. Word has length 9 [2018-11-10 04:38:06,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:06,838 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 396 transitions. [2018-11-10 04:38:06,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:38:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 396 transitions. [2018-11-10 04:38:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 04:38:06,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:06,839 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:06,853 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:06,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:06,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1014919872, now seen corresponding path program 1 times [2018-11-10 04:38:06,859 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:06,860 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:06,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:06,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:06,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:06,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:06,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:06,913 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:06,954 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:06,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:06,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:38:06,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:38:06,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:38:06,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:38:06,957 INFO L87 Difference]: Start difference. First operand 360 states and 396 transitions. Second operand 4 states. [2018-11-10 04:38:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:07,681 INFO L93 Difference]: Finished difference Result 363 states and 401 transitions. [2018-11-10 04:38:07,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:38:07,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-11-10 04:38:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:07,683 INFO L225 Difference]: With dead ends: 363 [2018-11-10 04:38:07,683 INFO L226 Difference]: Without dead ends: 363 [2018-11-10 04:38:07,683 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:07,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-11-10 04:38:07,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2018-11-10 04:38:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-10 04:38:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 395 transitions. [2018-11-10 04:38:07,690 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 395 transitions. Word has length 10 [2018-11-10 04:38:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:07,690 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 395 transitions. [2018-11-10 04:38:07,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:38:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 395 transitions. [2018-11-10 04:38:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 04:38:07,690 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:07,691 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:07,692 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:07,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:07,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1763281544, now seen corresponding path program 1 times [2018-11-10 04:38:07,693 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:07,693 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:07,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:07,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:07,756 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:07,756 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:07,760 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:07,760 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-10 04:38:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:07,763 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:07,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:07,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:38:07,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:38:07,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:38:07,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:07,767 INFO L87 Difference]: Start difference. First operand 359 states and 395 transitions. Second operand 3 states. [2018-11-10 04:38:08,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:08,189 INFO L93 Difference]: Finished difference Result 358 states and 394 transitions. [2018-11-10 04:38:08,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:08,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-10 04:38:08,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:08,191 INFO L225 Difference]: With dead ends: 358 [2018-11-10 04:38:08,191 INFO L226 Difference]: Without dead ends: 358 [2018-11-10 04:38:08,191 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:08,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-11-10 04:38:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2018-11-10 04:38:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-11-10 04:38:08,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 394 transitions. [2018-11-10 04:38:08,196 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 394 transitions. Word has length 16 [2018-11-10 04:38:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:08,197 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 394 transitions. [2018-11-10 04:38:08,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:38:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 394 transitions. [2018-11-10 04:38:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:38:08,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:08,197 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:08,198 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:08,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:08,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1172847491, now seen corresponding path program 1 times [2018-11-10 04:38:08,198 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:08,199 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:08,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:08,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:08,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:08,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:08,267 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:08,267 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-10 04:38:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:08,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:08,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:08,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 04:38:08,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:38:08,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:38:08,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:08,276 INFO L87 Difference]: Start difference. First operand 358 states and 394 transitions. Second operand 3 states. [2018-11-10 04:38:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:08,820 INFO L93 Difference]: Finished difference Result 357 states and 393 transitions. [2018-11-10 04:38:08,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:08,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-11-10 04:38:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:08,822 INFO L225 Difference]: With dead ends: 357 [2018-11-10 04:38:08,822 INFO L226 Difference]: Without dead ends: 357 [2018-11-10 04:38:08,823 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:08,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-11-10 04:38:08,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-11-10 04:38:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-11-10 04:38:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 393 transitions. [2018-11-10 04:38:08,831 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 393 transitions. Word has length 17 [2018-11-10 04:38:08,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:08,831 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 393 transitions. [2018-11-10 04:38:08,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:38:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 393 transitions. [2018-11-10 04:38:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 04:38:08,832 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:08,832 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:08,833 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:08,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:08,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1998534362, now seen corresponding path program 1 times [2018-11-10 04:38:08,833 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:08,833 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:08,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:08,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:08,924 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:08,924 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:08,927 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:08,927 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:08,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-11-10 04:38:08,946 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:08,949 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:08,949 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-11-10 04:38:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:08,971 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:08,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:08,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:38:08,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:38:08,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:38:08,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:38:08,973 INFO L87 Difference]: Start difference. First operand 357 states and 393 transitions. Second operand 7 states. [2018-11-10 04:38:10,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:10,114 INFO L93 Difference]: Finished difference Result 410 states and 453 transitions. [2018-11-10 04:38:10,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:38:10,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-10 04:38:10,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:10,116 INFO L225 Difference]: With dead ends: 410 [2018-11-10 04:38:10,116 INFO L226 Difference]: Without dead ends: 410 [2018-11-10 04:38:10,117 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:38:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-11-10 04:38:10,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 369. [2018-11-10 04:38:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-11-10 04:38:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 413 transitions. [2018-11-10 04:38:10,126 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 413 transitions. Word has length 18 [2018-11-10 04:38:10,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:10,126 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 413 transitions. [2018-11-10 04:38:10,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:38:10,127 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 413 transitions. [2018-11-10 04:38:10,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 04:38:10,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:10,127 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:10,129 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:10,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:10,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1825023589, now seen corresponding path program 1 times [2018-11-10 04:38:10,129 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:10,129 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:10,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:10,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:10,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:10,210 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:10,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-10 04:38:10,244 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:10,246 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 14 treesize of output 17 [2018-11-10 04:38:10,247 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,263 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:10,264 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:10,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-10 04:38:10,265 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,272 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:10,272 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2018-11-10 04:38:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:10,292 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:10,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:10,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 04:38:10,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 04:38:10,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 04:38:10,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 04:38:10,295 INFO L87 Difference]: Start difference. First operand 369 states and 413 transitions. Second operand 6 states. [2018-11-10 04:38:12,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:12,051 INFO L93 Difference]: Finished difference Result 427 states and 485 transitions. [2018-11-10 04:38:12,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 04:38:12,051 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-10 04:38:12,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:12,053 INFO L225 Difference]: With dead ends: 427 [2018-11-10 04:38:12,053 INFO L226 Difference]: Without dead ends: 427 [2018-11-10 04:38:12,054 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:38:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-10 04:38:12,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 368. [2018-11-10 04:38:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-11-10 04:38:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2018-11-10 04:38:12,067 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 19 [2018-11-10 04:38:12,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:12,067 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2018-11-10 04:38:12,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 04:38:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2018-11-10 04:38:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:38:12,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:12,068 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] [2018-11-10 04:38:12,069 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:12,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:12,069 INFO L82 PathProgramCache]: Analyzing trace with hash -712749697, now seen corresponding path program 1 times [2018-11-10 04:38:12,069 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:12,069 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:12,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:12,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:12,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:12,187 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,199 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 6 treesize of output 5 [2018-11-10 04:38:12,199 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,204 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-11-10 04:38:12,226 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:12,228 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 14 treesize of output 17 [2018-11-10 04:38:12,229 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,240 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:12,241 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:12,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-11-10 04:38:12,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,249 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:12,249 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2018-11-10 04:38:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:12,288 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:12,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:12,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 04:38:12,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 04:38:12,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 04:38:12,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:38:12,290 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 7 states. [2018-11-10 04:38:14,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:14,023 INFO L93 Difference]: Finished difference Result 424 states and 482 transitions. [2018-11-10 04:38:14,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 04:38:14,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-10 04:38:14,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:14,025 INFO L225 Difference]: With dead ends: 424 [2018-11-10 04:38:14,025 INFO L226 Difference]: Without dead ends: 424 [2018-11-10 04:38:14,025 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-10 04:38:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-11-10 04:38:14,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 365. [2018-11-10 04:38:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-10 04:38:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 408 transitions. [2018-11-10 04:38:14,034 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 408 transitions. Word has length 22 [2018-11-10 04:38:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:14,034 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 408 transitions. [2018-11-10 04:38:14,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 04:38:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 408 transitions. [2018-11-10 04:38:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 04:38:14,035 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:14,035 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] [2018-11-10 04:38:14,036 INFO L424 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:14,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:14,036 INFO L82 PathProgramCache]: Analyzing trace with hash -712743675, now seen corresponding path program 1 times [2018-11-10 04:38:14,036 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:14,036 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:14,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:14,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:14,100 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:14,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:14,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:38:14,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 04:38:14,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 04:38:14,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:14,102 INFO L87 Difference]: Start difference. First operand 365 states and 408 transitions. Second operand 3 states. [2018-11-10 04:38:14,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:14,118 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-11-10 04:38:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 04:38:14,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-10 04:38:14,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:14,121 INFO L225 Difference]: With dead ends: 366 [2018-11-10 04:38:14,121 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:38:14,121 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 04:38:14,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:38:14,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-11-10 04:38:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-10 04:38:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2018-11-10 04:38:14,131 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 22 [2018-11-10 04:38:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:14,132 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2018-11-10 04:38:14,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 04:38:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2018-11-10 04:38:14,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:38:14,133 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:14,133 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] [2018-11-10 04:38:14,133 INFO L424 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:14,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:14,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2052641983, now seen corresponding path program 1 times [2018-11-10 04:38:14,134 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:14,134 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:14,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:14,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:14,230 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:14,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:14,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 04:38:14,232 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 04:38:14,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 04:38:14,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:14,233 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 5 states. [2018-11-10 04:38:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:14,896 INFO L93 Difference]: Finished difference Result 363 states and 406 transitions. [2018-11-10 04:38:14,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 04:38:14,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-11-10 04:38:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:14,898 INFO L225 Difference]: With dead ends: 363 [2018-11-10 04:38:14,898 INFO L226 Difference]: Without dead ends: 363 [2018-11-10 04:38:14,898 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 04:38:14,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-11-10 04:38:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-11-10 04:38:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-10 04:38:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 406 transitions. [2018-11-10 04:38:14,906 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 406 transitions. Word has length 24 [2018-11-10 04:38:14,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:14,907 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 406 transitions. [2018-11-10 04:38:14,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 04:38:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 406 transitions. [2018-11-10 04:38:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 04:38:14,907 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:14,907 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] [2018-11-10 04:38:14,908 INFO L424 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:14,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:14,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2046331385, now seen corresponding path program 1 times [2018-11-10 04:38:14,909 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:14,909 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 13 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 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:14,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:14,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:15,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:15,001 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:15,002 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:15,002 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-11-10 04:38:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:15,008 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:15,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:15,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:38:15,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:38:15,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:38:15,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:38:15,010 INFO L87 Difference]: Start difference. First operand 363 states and 406 transitions. Second operand 4 states. [2018-11-10 04:38:15,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:15,639 INFO L93 Difference]: Finished difference Result 359 states and 402 transitions. [2018-11-10 04:38:15,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:38:15,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-11-10 04:38:15,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:15,640 INFO L225 Difference]: With dead ends: 359 [2018-11-10 04:38:15,640 INFO L226 Difference]: Without dead ends: 359 [2018-11-10 04:38:15,640 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:15,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-10 04:38:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-11-10 04:38:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-11-10 04:38:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 402 transitions. [2018-11-10 04:38:15,644 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 402 transitions. Word has length 24 [2018-11-10 04:38:15,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:15,645 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 402 transitions. [2018-11-10 04:38:15,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:38:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 402 transitions. [2018-11-10 04:38:15,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:38:15,645 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:15,645 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:15,646 INFO L424 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:15,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:15,646 INFO L82 PathProgramCache]: Analyzing trace with hash 792608495, now seen corresponding path program 1 times [2018-11-10 04:38:15,647 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:15,647 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 14 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 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:15,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:15,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:15,791 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:15,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:15,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:38:15,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:38:15,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:38:15,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:38:15,793 INFO L87 Difference]: Start difference. First operand 359 states and 402 transitions. Second operand 8 states. [2018-11-10 04:38:16,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:16,800 INFO L93 Difference]: Finished difference Result 359 states and 402 transitions. [2018-11-10 04:38:16,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:38:16,800 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-10 04:38:16,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:16,801 INFO L225 Difference]: With dead ends: 359 [2018-11-10 04:38:16,801 INFO L226 Difference]: Without dead ends: 359 [2018-11-10 04:38:16,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:38:16,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-10 04:38:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2018-11-10 04:38:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-11-10 04:38:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 400 transitions. [2018-11-10 04:38:16,805 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 400 transitions. Word has length 25 [2018-11-10 04:38:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:16,806 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 400 transitions. [2018-11-10 04:38:16,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:38:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 400 transitions. [2018-11-10 04:38:16,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:38:16,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:16,806 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:16,807 INFO L424 AbstractCegarLoop]: === Iteration 14 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:16,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:16,807 INFO L82 PathProgramCache]: Analyzing trace with hash 988237054, now seen corresponding path program 1 times [2018-11-10 04:38:16,807 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:16,807 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 15 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 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:16,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:16,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:16,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:16,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:16,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:16,895 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:16,908 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:16,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:16,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:38:16,910 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:38:16,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:38:16,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:38:16,910 INFO L87 Difference]: Start difference. First operand 357 states and 400 transitions. Second operand 4 states. [2018-11-10 04:38:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:17,578 INFO L93 Difference]: Finished difference Result 355 states and 398 transitions. [2018-11-10 04:38:17,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:38:17,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-11-10 04:38:17,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:17,580 INFO L225 Difference]: With dead ends: 355 [2018-11-10 04:38:17,580 INFO L226 Difference]: Without dead ends: 355 [2018-11-10 04:38:17,580 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:17,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-11-10 04:38:17,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-11-10 04:38:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-11-10 04:38:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 398 transitions. [2018-11-10 04:38:17,587 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 398 transitions. Word has length 25 [2018-11-10 04:38:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:17,588 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 398 transitions. [2018-11-10 04:38:17,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:38:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 398 transitions. [2018-11-10 04:38:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:38:17,588 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:17,588 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:17,589 INFO L424 AbstractCegarLoop]: === Iteration 15 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:17,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:17,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1487569265, now seen corresponding path program 1 times [2018-11-10 04:38:17,590 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:17,590 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 16 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 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:17,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:17,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:17,765 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:17,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:17,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 04:38:17,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 04:38:17,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 04:38:17,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 04:38:17,767 INFO L87 Difference]: Start difference. First operand 355 states and 398 transitions. Second operand 8 states. [2018-11-10 04:38:18,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:18,653 INFO L93 Difference]: Finished difference Result 357 states and 414 transitions. [2018-11-10 04:38:18,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 04:38:18,654 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-11-10 04:38:18,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:18,655 INFO L225 Difference]: With dead ends: 357 [2018-11-10 04:38:18,656 INFO L226 Difference]: Without dead ends: 357 [2018-11-10 04:38:18,656 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-10 04:38:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-11-10 04:38:18,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2018-11-10 04:38:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-11-10 04:38:18,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2018-11-10 04:38:18,664 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 27 [2018-11-10 04:38:18,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:18,664 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2018-11-10 04:38:18,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 04:38:18,665 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2018-11-10 04:38:18,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 04:38:18,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:18,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:18,666 INFO L424 AbstractCegarLoop]: === Iteration 16 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:18,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:18,666 INFO L82 PathProgramCache]: Analyzing trace with hash 508054112, now seen corresponding path program 1 times [2018-11-10 04:38:18,667 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:18,667 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 17 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 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:18,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:18,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:18,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:18,816 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:18,829 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:18,829 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:18,853 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:18,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:18,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 04:38:18,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 04:38:18,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 04:38:18,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 04:38:18,856 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand 4 states. [2018-11-10 04:38:19,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:19,730 INFO L93 Difference]: Finished difference Result 353 states and 410 transitions. [2018-11-10 04:38:19,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 04:38:19,731 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-11-10 04:38:19,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:19,732 INFO L225 Difference]: With dead ends: 353 [2018-11-10 04:38:19,732 INFO L226 Difference]: Without dead ends: 353 [2018-11-10 04:38:19,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 04:38:19,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-11-10 04:38:19,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2018-11-10 04:38:19,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-11-10 04:38:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 394 transitions. [2018-11-10 04:38:19,740 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 394 transitions. Word has length 27 [2018-11-10 04:38:19,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:19,740 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 394 transitions. [2018-11-10 04:38:19,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 04:38:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 394 transitions. [2018-11-10 04:38:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 04:38:19,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:19,741 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] [2018-11-10 04:38:19,742 INFO L424 AbstractCegarLoop]: === Iteration 17 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:19,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:19,742 INFO L82 PathProgramCache]: Analyzing trace with hash -24149331, now seen corresponding path program 1 times [2018-11-10 04:38:19,742 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:19,742 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 18 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 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:19,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:19,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:19,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 04:38:19,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:19,952 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:19,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:19,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 04:38:19,970 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:19,970 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:19,972 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:19,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:19,982 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-11-10 04:38:20,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-10 04:38:20,009 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:20,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 04:38:20,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:20,020 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:20,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-11-10 04:38:20,044 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:20,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-11-10 04:38:20,046 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:20,053 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:20,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:20,067 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-11-10 04:38:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:20,141 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:20,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:20,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:38:20,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:38:20,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:38:20,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:38:20,144 INFO L87 Difference]: Start difference. First operand 351 states and 394 transitions. Second operand 9 states. [2018-11-10 04:38:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:21,181 INFO L93 Difference]: Finished difference Result 370 states and 416 transitions. [2018-11-10 04:38:21,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 04:38:21,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-11-10 04:38:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:21,182 INFO L225 Difference]: With dead ends: 370 [2018-11-10 04:38:21,182 INFO L226 Difference]: Without dead ends: 370 [2018-11-10 04:38:21,182 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-11-10 04:38:21,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-11-10 04:38:21,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2018-11-10 04:38:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-10 04:38:21,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 406 transitions. [2018-11-10 04:38:21,187 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 406 transitions. Word has length 30 [2018-11-10 04:38:21,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:21,187 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 406 transitions. [2018-11-10 04:38:21,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:38:21,187 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 406 transitions. [2018-11-10 04:38:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 04:38:21,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:21,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:21,188 INFO L424 AbstractCegarLoop]: === Iteration 18 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:21,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:21,188 INFO L82 PathProgramCache]: Analyzing trace with hash 446057705, now seen corresponding path program 1 times [2018-11-10 04:38:21,189 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:21,189 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 19 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 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:21,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:21,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:21,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 04:38:21,335 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 04:38:21,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:21,337 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:21,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 04:38:21,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 04:38:21,346 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:21,347 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:21,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:21,353 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-11-10 04:38:21,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:21,455 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 04:38:21,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 04:38:21,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 04:38:21,460 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 04:38:21,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 04:38:21,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 04:38:21,460 INFO L87 Difference]: Start difference. First operand 361 states and 406 transitions. Second operand 9 states. [2018-11-10 04:38:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 04:38:22,081 INFO L93 Difference]: Finished difference Result 366 states and 411 transitions. [2018-11-10 04:38:22,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 04:38:22,081 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-11-10 04:38:22,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 04:38:22,082 INFO L225 Difference]: With dead ends: 366 [2018-11-10 04:38:22,082 INFO L226 Difference]: Without dead ends: 366 [2018-11-10 04:38:22,082 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-11-10 04:38:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-11-10 04:38:22,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2018-11-10 04:38:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-11-10 04:38:22,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 409 transitions. [2018-11-10 04:38:22,087 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 409 transitions. Word has length 32 [2018-11-10 04:38:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 04:38:22,088 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 409 transitions. [2018-11-10 04:38:22,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 04:38:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 409 transitions. [2018-11-10 04:38:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 04:38:22,089 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:38:22,089 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:38:22,090 INFO L424 AbstractCegarLoop]: === Iteration 19 === [containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 04:38:22,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:38:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash -395546308, now seen corresponding path program 1 times [2018-11-10 04:38:22,090 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-10 04:38:22,090 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/cvc4nyu Starting monitored process 20 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 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-10 04:38:22,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:22,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:22,398 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:22,398 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,412 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,412 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-11-10 04:38:22,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 04:38:22,507 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 10 treesize of output 9 [2018-11-10 04:38:22,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-11-10 04:38:22,594 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 21 treesize of output 33 [2018-11-10 04:38:22,666 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 19 treesize of output 26 [2018-11-10 04:38:22,667 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:22,715 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 18 treesize of output 17 [2018-11-10 04:38:22,715 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:22,743 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:22,773 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:22,774 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:39, output treesize:51 [2018-11-10 04:38:22,865 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 54 treesize of output 59 [2018-11-10 04:38:22,910 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 42 treesize of output 41 [2018-11-10 04:38:22,910 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:22,977 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 45 treesize of output 44 [2018-11-10 04:38:22,978 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:23,076 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 23 treesize of output 20 [2018-11-10 04:38:23,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:23,084 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,089 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:23,137 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:78, output treesize:44 [2018-11-10 04:38:23,183 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:23,184 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:23,184 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 41 treesize of output 38 [2018-11-10 04:38:23,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:32 [2018-11-10 04:38:23,283 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:23,284 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:23,285 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:23,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-11-10 04:38:23,286 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,299 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:52 [2018-11-10 04:38:23,412 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-11-10 04:38:23,418 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:23,418 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,427 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,447 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,448 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:50 [2018-11-10 04:38:23,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-10 04:38:23,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:23,526 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,536 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,550 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:23,550 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:48 [2018-11-10 04:38:23,607 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 35 treesize of output 27 [2018-11-10 04:38:23,610 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 27 treesize of output 16 [2018-11-10 04:38:23,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,614 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:23,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:23,622 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:31 [2018-11-10 04:38:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:23,671 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 04:38:26,808 WARN L179 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 04:38:46,116 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 27 [2018-11-10 04:38:46,381 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-10 04:38:46,573 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-11-10 04:38:46,773 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-11-10 04:38:46,966 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-11-10 04:38:46,984 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 90 treesize of output 62 [2018-11-10 04:38:47,106 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-11-10 04:38:47,113 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-11-10 04:38:47,113 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:47,141 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:47,142 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:47,143 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 56 treesize of output 66 [2018-11-10 04:38:47,381 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 86 [2018-11-10 04:38:48,443 WARN L179 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 165 DAG size of output: 157 [2018-11-10 04:38:48,455 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-11-10 04:38:48,456 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:49,993 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 61 [2018-11-10 04:38:49,994 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:50,468 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 59 treesize of output 66 [2018-11-10 04:38:50,469 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-11-10 04:38:50,964 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:50,974 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:50,982 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:50,984 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 53 treesize of output 57 [2018-11-10 04:38:50,984 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:51,463 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:51,473 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:51,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 66 [2018-11-10 04:38:51,501 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 3 xjuncts. [2018-11-10 04:38:51,912 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:51,920 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:51,963 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 48 treesize of output 62 [2018-11-10 04:38:51,964 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-11-10 04:38:52,266 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 46 treesize of output 51 [2018-11-10 04:38:52,266 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:52,353 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:38:52,542 INFO L477 Elim1Store]: Elim1 applied some 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 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 63 [2018-11-10 04:38:53,525 WARN L179 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2018-11-10 04:38:53,540 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:53,549 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:53,555 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:38:53,556 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 32 treesize of output 37 [2018-11-10 04:38:53,556 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:54,548 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 37 treesize of output 43 [2018-11-10 04:38:54,549 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-11-10 04:38:55,025 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2018-11-10 04:38:55,026 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:55,350 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 22 treesize of output 28 [2018-11-10 04:38:55,350 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:55,629 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:38:55,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 38 [2018-11-10 04:38:55,722 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:55,722 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 24 treesize of output 20 [2018-11-10 04:38:55,723 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:55,734 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:55,739 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-10 04:38:55,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2018-11-10 04:38:55,759 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:55,789 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:55,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-11-10 04:38:55,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2018-11-10 04:38:55,842 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:55,892 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:56,003 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:38:56,064 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:56,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-11-10 04:38:56,112 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:115, output treesize:55 [2018-11-10 04:38:56,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 04:38:56,445 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7c5a73a9-ea66-40b9-8ed1-fc485f428365/bin-2019/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:38:56,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:38:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:38:56,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 04:38:56,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-11-10 04:38:56,536 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:56,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:56,539 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-11-10 04:38:57,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 04:38:57,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 04:38:57,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,206 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,206 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-11-10 04:38:57,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 33 [2018-11-10 04:38:57,448 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 19 treesize of output 26 [2018-11-10 04:38:57,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:57,524 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 18 treesize of output 17 [2018-11-10 04:38:57,525 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:57,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:57,609 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:43, output treesize:59 [2018-11-10 04:38:57,765 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 29 treesize of output 26 [2018-11-10 04:38:57,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:57,768 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,780 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,857 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 60 treesize of output 65 [2018-11-10 04:38:57,861 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 61 treesize of output 60 [2018-11-10 04:38:57,861 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:57,962 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 45 treesize of output 41 [2018-11-10 04:38:57,962 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 04:38:58,016 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:58,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:38:58,077 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:90, output treesize:56 [2018-11-10 04:38:58,195 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:58,196 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:58,197 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 47 treesize of output 39 [2018-11-10 04:38:58,197 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,220 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,221 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:34 [2018-11-10 04:38:58,260 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:58,261 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:58,262 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:38:58,263 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-11-10 04:38:58,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,284 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:55 [2018-11-10 04:38:58,564 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-11-10 04:38:58,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:58,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,585 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:50 [2018-11-10 04:38:58,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-11-10 04:38:58,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 04:38:58,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:58,668 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:48 [2018-11-10 04:38:58,672 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 35 treesize of output 27 [2018-11-10 04:38:58,674 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 27 treesize of output 16 [2018-11-10 04:38:58,675 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,681 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:38:58,692 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-10 04:38:58,693 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:31 [2018-11-10 04:38:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:38:58,767 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 04:39:12,692 WARN L179 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-10 04:39:14,807 WARN L179 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-10 04:39:15,627 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-10 04:39:15,797 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-11-10 04:39:16,011 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-11-10 04:39:16,224 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-11-10 04:39:16,415 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-11-10 04:39:16,424 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:39:16,428 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:39:16,436 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:39:16,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 172 [2018-11-10 04:39:16,438 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:16,495 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 165 treesize of output 96 [2018-11-10 04:39:16,662 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-11-10 04:39:16,667 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 11 treesize of output 10 [2018-11-10 04:39:16,667 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:16,708 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:39:16,717 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 73 treesize of output 77 [2018-11-10 04:39:16,851 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 21 treesize of output 31 [2018-11-10 04:39:17,023 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 22 treesize of output 32 [2018-11-10 04:39:17,024 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,112 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 04:39:17,118 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 04:39:17,230 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 24 treesize of output 45 [2018-11-10 04:39:17,231 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-11-10 04:39:17,429 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 04:39:17,492 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 43 treesize of output 35 [2018-11-10 04:39:17,509 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 1 case distinctions, treesize of input 29 treesize of output 17 [2018-11-10 04:39:17,510 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,539 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,543 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 39 treesize of output 33 [2018-11-10 04:39:17,549 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 21 treesize of output 13 [2018-11-10 04:39:17,549 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:17,566 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:39:17,569 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 43 treesize of output 35 [2018-11-10 04:39:17,585 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 1 case distinctions, treesize of input 29 treesize of output 17 [2018-11-10 04:39:17,586 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,619 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,662 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,691 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:39:17,737 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 04:39:17,737 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 12 variables, input treesize:120, output treesize:13 [2018-11-10 04:39:22,738 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 81 treesize of output 59 [2018-11-10 04:39:22,817 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 9 treesize of output 8 [2018-11-10 04:39:22,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:23,046 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 111 [2018-11-10 04:39:25,926 WARN L179 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 310 DAG size of output: 304 [2018-11-10 04:39:25,960 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 74 treesize of output 79 [2018-11-10 04:39:25,989 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 72 treesize of output 77 [2018-11-10 04:39:25,990 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:26,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 94 [2018-11-10 04:39:26,214 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:26,459 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 04:39:26,489 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 84 treesize of output 89 [2018-11-10 04:39:26,527 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 82 treesize of output 87 [2018-11-10 04:39:26,528 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:26,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 104 [2018-11-10 04:39:26,788 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:27,062 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 04:39:27,092 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 43 treesize of output 51 [2018-11-10 04:39:27,171 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 67 [2018-11-10 04:39:27,172 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:27,391 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 44 treesize of output 50 [2018-11-10 04:39:27,391 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:27,535 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 04:39:30,561 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 47 treesize of output 50 [2018-11-10 04:39:30,579 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 16 treesize of output 22 [2018-11-10 04:39:30,579 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:30,625 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:39:30,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 79 [2018-11-10 04:39:30,819 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-11-10 04:39:30,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2018-11-10 04:39:30,845 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:39:30,850 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 13 treesize of output 6 [2018-11-10 04:39:30,851 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:30,976 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 39 treesize of output 44 [2018-11-10 04:39:30,976 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:31,068 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-11-10 04:39:34,085 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 96 [2018-11-10 04:39:34,942 WARN L179 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2018-11-10 04:39:34,978 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 77 treesize of output 82 [2018-11-10 04:39:34,978 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:35,008 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 71 treesize of output 76 [2018-11-10 04:39:35,008 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:35,944 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 93 [2018-11-10 04:39:35,946 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:36,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 99 [2018-11-10 04:39:36,032 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:37,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 63 [2018-11-10 04:39:37,423 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:37,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 85 [2018-11-10 04:39:37,504 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:39:37,565 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-11-10 04:39:37,566 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:37,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 89 [2018-11-10 04:39:37,650 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:39:43,650 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 71 treesize of output 65 [2018-11-10 04:39:43,651 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-11-10 04:39:43,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 77 [2018-11-10 04:39:43,703 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:39:46,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 89 [2018-11-10 04:39:46,797 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:46,884 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 87 [2018-11-10 04:39:46,885 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:46,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 85 [2018-11-10 04:39:46,970 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 8 xjuncts. [2018-11-10 04:39:50,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 92 [2018-11-10 04:39:50,127 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:39:50,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-11-10 04:39:50,167 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:50,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 71 [2018-11-10 04:39:50,203 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:50,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-11-10 04:39:50,232 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-11-10 04:39:50,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 93 [2018-11-10 04:39:50,354 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:39:50,492 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 89 [2018-11-10 04:39:50,494 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:39:50,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 92 [2018-11-10 04:39:50,599 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:40:07,038 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 65 treesize of output 59 [2018-11-10 04:40:07,038 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-11-10 04:40:07,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 75 [2018-11-10 04:40:07,172 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:40:20,181 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 65 treesize of output 70 [2018-11-10 04:40:20,182 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:20,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 64 [2018-11-10 04:40:20,216 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:20,247 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 67 treesize of output 72 [2018-11-10 04:40:20,248 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:34,802 INFO L267 ElimStorePlain]: Start of recursive call 20: 8 dim-1 vars, End of recursive call: 18 dim-0 vars, and 37 xjuncts. [2018-11-10 04:40:34,851 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 46 treesize of output 54 [2018-11-10 04:40:34,889 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 47 treesize of output 53 [2018-11-10 04:40:34,889 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:35,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 70 [2018-11-10 04:40:35,077 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 8 xjuncts. [2018-11-10 04:40:35,258 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-11-10 04:40:57,777 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 77 treesize of output 77 [2018-11-10 04:40:57,804 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 37 treesize of output 42 [2018-11-10 04:40:57,804 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:57,869 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:40:57,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-11-10 04:40:57,890 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 16 treesize of output 22 [2018-11-10 04:40:57,891 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-11-10 04:40:57,933 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 04:41:18,357 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 46 treesize of output 54 [2018-11-10 04:41:18,383 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 37 treesize of output 45 [2018-11-10 04:41:18,464 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 37 treesize of output 31 [2018-11-10 04:41:18,465 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-11-10 04:41:18,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2018-11-10 04:41:18,482 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:41:18,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2018-11-10 04:41:18,499 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-11-10 04:41:18,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2018-11-10 04:41:18,736 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-11-10 04:41:18,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2018-11-10 04:41:18,751 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-11-10 04:41:18,987 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-11-10 04:41:19,768 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 04:41:19,769 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_64 term size 41 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) [2018-11-10 04:41:19,772 INFO L168 Benchmark]: Toolchain (without parser) took 197217.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 269.5 MB). Free memory was 945.5 MB in the beginning and 861.1 MB in the end (delta: 84.4 MB). Peak memory consumption was 498.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,772 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:41:19,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 917.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 917.5 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,773 INFO L168 Benchmark]: Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,773 INFO L168 Benchmark]: RCFGBuilder took 1398.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.1 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,773 INFO L168 Benchmark]: TraceAbstraction took 195286.10 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 982.1 MB in the beginning and 861.1 MB in the end (delta: 121.0 MB). Peak memory consumption was 416.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:41:19,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 388.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 917.5 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 917.5 MB in the beginning and 1.1 GB in the end (delta: -187.0 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1398.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.1 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 195286.10 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 151.5 MB). Free memory was 982.1 MB in the beginning and 861.1 MB in the end (delta: 121.0 MB). Peak memory consumption was 416.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_64 term size 41 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_64 term size 41: 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...