./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c --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_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/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 64d26f08f1705388a8bcbde0799622957ce08f36 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:52,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:52,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:52,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:52,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:52,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:52,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:52,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:52,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:52,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:52,842 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:52,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:52,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:52,844 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:52,845 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:52,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:52,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:52,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:52,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:52,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:52,852 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:52,853 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:52,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:52,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:52,856 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:52,857 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:52,858 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:52,859 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:52,860 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:52,861 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:52,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:52,862 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:52,862 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:52,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:52,864 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:52,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:52,865 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:52,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:52,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:52,879 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:52,879 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:52,879 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:52,879 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:52,879 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:52,880 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:52,880 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:52,880 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:52,880 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:52,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:52,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:52,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:52,881 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:52,881 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:52,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:52,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:52,883 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:52,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:52,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:52,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:52,883 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:52,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:52,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:52,887 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:52,887 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:52,887 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:52,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:52,887 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_f19ba83f-34ec-4afa-b826-5ea976dc4934/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 -> 64d26f08f1705388a8bcbde0799622957ce08f36 [2018-10-27 04:46:52,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:52,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:52,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:52,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:52,932 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:52,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-10-27 04:46:52,977 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/data/08ca57725/cb2d90c748bb43f2a00f0156912256c2/FLAG0f882c286 [2018-10-27 04:46:53,365 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:53,365 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/sv-benchmarks/c/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-10-27 04:46:53,375 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/data/08ca57725/cb2d90c748bb43f2a00f0156912256c2/FLAG0f882c286 [2018-10-27 04:46:53,388 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/data/08ca57725/cb2d90c748bb43f2a00f0156912256c2 [2018-10-27 04:46:53,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:53,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:53,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:53,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:53,397 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:53,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3c1dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53, skipping insertion in model container [2018-10-27 04:46:53,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:53,428 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:53,579 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:53,600 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:53,627 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:53,650 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:53,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53 WrapperNode [2018-10-27 04:46:53,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:53,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:53,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:53,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:53,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:53,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:53,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:53,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:53,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... [2018-10-27 04:46:53,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:53,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:53,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:53,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:53,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/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 [2018-10-27 04:46:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:56,140 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:46:56,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:56 BoogieIcfgContainer [2018-10-27 04:46:56,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:46:56,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:46:56,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:46:56,144 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:46:56,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:53" (1/3) ... [2018-10-27 04:46:56,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff330cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:56, skipping insertion in model container [2018-10-27 04:46:56,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:53" (2/3) ... [2018-10-27 04:46:56,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff330cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:56, skipping insertion in model container [2018-10-27 04:46:56,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:56" (3/3) ... [2018-10-27 04:46:56,148 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-10-27 04:46:56,158 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:46:56,166 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-10-27 04:46:56,181 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-10-27 04:46:56,215 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:46:56,215 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:46:56,216 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:46:56,216 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:46:56,216 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:46:56,216 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:46:56,216 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:46:56,216 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:46:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2018-10-27 04:46:56,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 04:46:56,258 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:56,259 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-27 04:46:56,263 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:56,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:56,270 INFO L82 PathProgramCache]: Analyzing trace with hash 206616, now seen corresponding path program 1 times [2018-10-27 04:46:56,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:56,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:56,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:56,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:56,327 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:56,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:56,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:56,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:56,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:56,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:56,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:56,617 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2018-10-27 04:46:57,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:57,435 INFO L93 Difference]: Finished difference Result 185 states and 184 transitions. [2018-10-27 04:46:57,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:57,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-27 04:46:57,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:57,446 INFO L225 Difference]: With dead ends: 185 [2018-10-27 04:46:57,446 INFO L226 Difference]: Without dead ends: 181 [2018-10-27 04:46:57,448 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 [2018-10-27 04:46:57,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-10-27 04:46:57,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-10-27 04:46:57,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-27 04:46:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 180 transitions. [2018-10-27 04:46:57,495 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 180 transitions. Word has length 3 [2018-10-27 04:46:57,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:57,495 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 180 transitions. [2018-10-27 04:46:57,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 180 transitions. [2018-10-27 04:46:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 04:46:57,496 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:57,496 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-27 04:46:57,498 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:57,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:57,498 INFO L82 PathProgramCache]: Analyzing trace with hash 6405130, now seen corresponding path program 1 times [2018-10-27 04:46:57,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:57,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:57,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:57,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:57,500 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:57,761 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:46:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:57,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:57,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:57,763 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:57,764 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:57,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:57,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:57,765 INFO L87 Difference]: Start difference. First operand 181 states and 180 transitions. Second operand 3 states. [2018-10-27 04:46:58,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:58,180 INFO L93 Difference]: Finished difference Result 180 states and 179 transitions. [2018-10-27 04:46:58,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:58,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-27 04:46:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:58,182 INFO L225 Difference]: With dead ends: 180 [2018-10-27 04:46:58,183 INFO L226 Difference]: Without dead ends: 180 [2018-10-27 04:46:58,183 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:58,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-10-27 04:46:58,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-10-27 04:46:58,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-10-27 04:46:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 179 transitions. [2018-10-27 04:46:58,194 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 179 transitions. Word has length 4 [2018-10-27 04:46:58,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:58,194 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 179 transitions. [2018-10-27 04:46:58,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 179 transitions. [2018-10-27 04:46:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 04:46:58,195 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:58,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-27 04:46:58,197 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:58,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:58,197 INFO L82 PathProgramCache]: Analyzing trace with hash 198559066, now seen corresponding path program 1 times [2018-10-27 04:46:58,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:58,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:58,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,199 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:58,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:58,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:58,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:58,285 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:58,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:46:58,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:46:58,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:58,286 INFO L87 Difference]: Start difference. First operand 180 states and 179 transitions. Second operand 4 states. [2018-10-27 04:46:58,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:58,653 INFO L93 Difference]: Finished difference Result 177 states and 176 transitions. [2018-10-27 04:46:58,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:58,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-27 04:46:58,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:58,654 INFO L225 Difference]: With dead ends: 177 [2018-10-27 04:46:58,655 INFO L226 Difference]: Without dead ends: 177 [2018-10-27 04:46:58,655 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-10-27 04:46:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-10-27 04:46:58,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-10-27 04:46:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 176 transitions. [2018-10-27 04:46:58,665 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 176 transitions. Word has length 5 [2018-10-27 04:46:58,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:58,665 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 176 transitions. [2018-10-27 04:46:58,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:46:58,665 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 176 transitions. [2018-10-27 04:46:58,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 04:46:58,666 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:58,666 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-27 04:46:58,667 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:58,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:58,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1860363788, now seen corresponding path program 1 times [2018-10-27 04:46:58,668 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:58,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:58,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,669 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:58,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:58,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:58,900 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:58,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:46:58,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:46:58,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:58,901 INFO L87 Difference]: Start difference. First operand 177 states and 176 transitions. Second operand 4 states. [2018-10-27 04:46:59,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:59,142 INFO L93 Difference]: Finished difference Result 176 states and 175 transitions. [2018-10-27 04:46:59,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:59,142 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-27 04:46:59,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:59,143 INFO L225 Difference]: With dead ends: 176 [2018-10-27 04:46:59,143 INFO L226 Difference]: Without dead ends: 176 [2018-10-27 04:46:59,143 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:59,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-10-27 04:46:59,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-10-27 04:46:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-10-27 04:46:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 175 transitions. [2018-10-27 04:46:59,152 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 175 transitions. Word has length 6 [2018-10-27 04:46:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:59,152 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 175 transitions. [2018-10-27 04:46:59,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:46:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 175 transitions. [2018-10-27 04:46:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:46:59,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:59,153 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:59,154 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:59,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:59,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1103206414, now seen corresponding path program 1 times [2018-10-27 04:46:59,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:59,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:59,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,156 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:59,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:59,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:46:59,267 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:59,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:46:59,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:46:59,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:59,268 INFO L87 Difference]: Start difference. First operand 176 states and 175 transitions. Second operand 5 states. [2018-10-27 04:46:59,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:59,590 INFO L93 Difference]: Finished difference Result 175 states and 174 transitions. [2018-10-27 04:46:59,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:46:59,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-10-27 04:46:59,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:59,591 INFO L225 Difference]: With dead ends: 175 [2018-10-27 04:46:59,591 INFO L226 Difference]: Without dead ends: 175 [2018-10-27 04:46:59,592 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-10-27 04:46:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-10-27 04:46:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-27 04:46:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 174 transitions. [2018-10-27 04:46:59,598 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 174 transitions. Word has length 8 [2018-10-27 04:46:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:59,599 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 174 transitions. [2018-10-27 04:46:59,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:46:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 174 transitions. [2018-10-27 04:46:59,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 04:46:59,599 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:59,599 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:59,601 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:59,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:59,601 INFO L82 PathProgramCache]: Analyzing trace with hash -675556848, now seen corresponding path program 1 times [2018-10-27 04:46:59,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:59,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:59,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,602 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:59,788 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:47:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:00,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:00,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:00,044 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:00,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:00,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:00,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:00,045 INFO L87 Difference]: Start difference. First operand 175 states and 174 transitions. Second operand 5 states. [2018-10-27 04:47:00,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:00,354 INFO L93 Difference]: Finished difference Result 174 states and 173 transitions. [2018-10-27 04:47:00,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:00,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-10-27 04:47:00,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:00,355 INFO L225 Difference]: With dead ends: 174 [2018-10-27 04:47:00,355 INFO L226 Difference]: Without dead ends: 174 [2018-10-27 04:47:00,355 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-10-27 04:47:00,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-10-27 04:47:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-10-27 04:47:00,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 173 transitions. [2018-10-27 04:47:00,359 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 173 transitions. Word has length 10 [2018-10-27 04:47:00,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:00,359 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 173 transitions. [2018-10-27 04:47:00,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 173 transitions. [2018-10-27 04:47:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 04:47:00,367 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:00,367 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:00,368 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:00,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:00,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1025521058, now seen corresponding path program 1 times [2018-10-27 04:47:00,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:00,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:00,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,370 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:00,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:00,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:00,647 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:00,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:00,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:00,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:00,648 INFO L87 Difference]: Start difference. First operand 174 states and 173 transitions. Second operand 6 states. [2018-10-27 04:47:00,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:00,970 INFO L93 Difference]: Finished difference Result 143 states and 142 transitions. [2018-10-27 04:47:00,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:00,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-10-27 04:47:00,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:00,971 INFO L225 Difference]: With dead ends: 143 [2018-10-27 04:47:00,971 INFO L226 Difference]: Without dead ends: 143 [2018-10-27 04:47:00,972 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-27 04:47:00,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-10-27 04:47:00,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-27 04:47:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 142 transitions. [2018-10-27 04:47:00,975 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 142 transitions. Word has length 15 [2018-10-27 04:47:00,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:00,975 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 142 transitions. [2018-10-27 04:47:00,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 142 transitions. [2018-10-27 04:47:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:47:00,981 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:00,981 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:00,982 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:00,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:00,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1726381781, now seen corresponding path program 1 times [2018-10-27 04:47:00,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:00,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:00,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,984 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:01,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:01,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:01,119 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:01,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:01,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:01,120 INFO L87 Difference]: Start difference. First operand 143 states and 142 transitions. Second operand 5 states. [2018-10-27 04:47:01,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:01,412 INFO L93 Difference]: Finished difference Result 138 states and 137 transitions. [2018-10-27 04:47:01,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:01,412 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-10-27 04:47:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:01,413 INFO L225 Difference]: With dead ends: 138 [2018-10-27 04:47:01,413 INFO L226 Difference]: Without dead ends: 138 [2018-10-27 04:47:01,413 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-10-27 04:47:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-10-27 04:47:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-10-27 04:47:01,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 137 transitions. [2018-10-27 04:47:01,417 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 137 transitions. Word has length 16 [2018-10-27 04:47:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:01,417 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 137 transitions. [2018-10-27 04:47:01,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 137 transitions. [2018-10-27 04:47:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:47:01,418 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:01,418 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:01,419 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:01,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1195517111, now seen corresponding path program 1 times [2018-10-27 04:47:01,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:01,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:01,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,428 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:01,612 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:47:01,900 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:01,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:01,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:01,902 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:01,902 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:01,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:01,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:01,903 INFO L87 Difference]: Start difference. First operand 138 states and 137 transitions. Second operand 5 states. [2018-10-27 04:47:02,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:02,316 INFO L93 Difference]: Finished difference Result 133 states and 132 transitions. [2018-10-27 04:47:02,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:02,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-10-27 04:47:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:02,317 INFO L225 Difference]: With dead ends: 133 [2018-10-27 04:47:02,317 INFO L226 Difference]: Without dead ends: 133 [2018-10-27 04:47:02,318 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:02,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-27 04:47:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-10-27 04:47:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-10-27 04:47:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 132 transitions. [2018-10-27 04:47:02,320 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 132 transitions. Word has length 18 [2018-10-27 04:47:02,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:02,320 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 132 transitions. [2018-10-27 04:47:02,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:02,320 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 132 transitions. [2018-10-27 04:47:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 04:47:02,321 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:02,321 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] [2018-10-27 04:47:02,322 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:02,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:02,322 INFO L82 PathProgramCache]: Analyzing trace with hash 2135677593, now seen corresponding path program 1 times [2018-10-27 04:47:02,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:02,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:02,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:02,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:02,326 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:02,516 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:47:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:02,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:02,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:02,751 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:02,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:02,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:02,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:02,752 INFO L87 Difference]: Start difference. First operand 133 states and 132 transitions. Second operand 5 states. [2018-10-27 04:47:02,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:02,946 INFO L93 Difference]: Finished difference Result 128 states and 127 transitions. [2018-10-27 04:47:02,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:02,947 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-10-27 04:47:02,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:02,948 INFO L225 Difference]: With dead ends: 128 [2018-10-27 04:47:02,948 INFO L226 Difference]: Without dead ends: 128 [2018-10-27 04:47:02,948 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-27 04:47:02,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-10-27 04:47:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-10-27 04:47:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 127 transitions. [2018-10-27 04:47:02,951 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 127 transitions. Word has length 20 [2018-10-27 04:47:02,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:02,951 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 127 transitions. [2018-10-27 04:47:02,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 127 transitions. [2018-10-27 04:47:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 04:47:02,954 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:02,954 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] [2018-10-27 04:47:02,956 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:02,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:02,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1781496008, now seen corresponding path program 1 times [2018-10-27 04:47:02,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:02,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:02,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:02,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:02,957 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:03,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:03,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:03,132 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:03,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:03,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:03,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:03,133 INFO L87 Difference]: Start difference. First operand 128 states and 127 transitions. Second operand 6 states. [2018-10-27 04:47:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:03,831 INFO L93 Difference]: Finished difference Result 119 states and 118 transitions. [2018-10-27 04:47:03,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:03,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-10-27 04:47:03,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:03,833 INFO L225 Difference]: With dead ends: 119 [2018-10-27 04:47:03,833 INFO L226 Difference]: Without dead ends: 119 [2018-10-27 04:47:03,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-27 04:47:03,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-10-27 04:47:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-10-27 04:47:03,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 118 transitions. [2018-10-27 04:47:03,835 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 118 transitions. Word has length 21 [2018-10-27 04:47:03,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:03,836 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 118 transitions. [2018-10-27 04:47:03,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 118 transitions. [2018-10-27 04:47:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:47:03,836 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:03,836 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] [2018-10-27 04:47:03,837 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:03,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash -608198533, now seen corresponding path program 1 times [2018-10-27 04:47:03,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:03,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:03,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:03,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:03,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:03,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:03,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:03,924 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:03,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:03,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:03,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:03,925 INFO L87 Difference]: Start difference. First operand 119 states and 118 transitions. Second operand 5 states. [2018-10-27 04:47:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:04,147 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2018-10-27 04:47:04,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:04,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-10-27 04:47:04,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:04,149 INFO L225 Difference]: With dead ends: 118 [2018-10-27 04:47:04,149 INFO L226 Difference]: Without dead ends: 118 [2018-10-27 04:47:04,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:04,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-10-27 04:47:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-10-27 04:47:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-27 04:47:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 117 transitions. [2018-10-27 04:47:04,152 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 117 transitions. Word has length 22 [2018-10-27 04:47:04,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:04,152 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 117 transitions. [2018-10-27 04:47:04,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 117 transitions. [2018-10-27 04:47:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:47:04,152 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:04,152 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] [2018-10-27 04:47:04,153 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:04,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:04,153 INFO L82 PathProgramCache]: Analyzing trace with hash -363235747, now seen corresponding path program 1 times [2018-10-27 04:47:04,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:04,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:04,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:04,154 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:04,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:04,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:04,329 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:04,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:04,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:04,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:04,330 INFO L87 Difference]: Start difference. First operand 118 states and 117 transitions. Second operand 5 states. [2018-10-27 04:47:04,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:04,494 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-10-27 04:47:04,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:04,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-10-27 04:47:04,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:04,495 INFO L225 Difference]: With dead ends: 116 [2018-10-27 04:47:04,496 INFO L226 Difference]: Without dead ends: 116 [2018-10-27 04:47:04,496 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:04,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-27 04:47:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-27 04:47:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-27 04:47:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-10-27 04:47:04,498 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 24 [2018-10-27 04:47:04,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:04,499 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-10-27 04:47:04,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-10-27 04:47:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 04:47:04,499 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:04,499 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:04,500 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:04,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:04,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1712369119, now seen corresponding path program 1 times [2018-10-27 04:47:04,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:04,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:04,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:04,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:04,501 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:04,680 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:47:04,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:04,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:04,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:04,938 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:04,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:04,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:04,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:04,939 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 5 states. [2018-10-27 04:47:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:05,117 INFO L93 Difference]: Finished difference Result 115 states and 114 transitions. [2018-10-27 04:47:05,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:05,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-10-27 04:47:05,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:05,118 INFO L225 Difference]: With dead ends: 115 [2018-10-27 04:47:05,118 INFO L226 Difference]: Without dead ends: 115 [2018-10-27 04:47:05,119 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-27 04:47:05,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-27 04:47:05,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-27 04:47:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 114 transitions. [2018-10-27 04:47:05,121 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 114 transitions. Word has length 28 [2018-10-27 04:47:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:05,121 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 114 transitions. [2018-10-27 04:47:05,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:05,121 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 114 transitions. [2018-10-27 04:47:05,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:47:05,121 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:05,121 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:05,122 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:05,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:05,122 INFO L82 PathProgramCache]: Analyzing trace with hash -614246397, now seen corresponding path program 1 times [2018-10-27 04:47:05,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:05,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:05,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,123 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:05,316 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 04:47:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:05,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:05,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:05,399 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:05,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:05,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:05,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:05,400 INFO L87 Difference]: Start difference. First operand 115 states and 114 transitions. Second operand 6 states. [2018-10-27 04:47:05,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:05,750 INFO L93 Difference]: Finished difference Result 112 states and 111 transitions. [2018-10-27 04:47:05,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:05,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-10-27 04:47:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:05,751 INFO L225 Difference]: With dead ends: 112 [2018-10-27 04:47:05,751 INFO L226 Difference]: Without dead ends: 112 [2018-10-27 04:47:05,751 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:05,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-27 04:47:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-27 04:47:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-27 04:47:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 111 transitions. [2018-10-27 04:47:05,754 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 111 transitions. Word has length 30 [2018-10-27 04:47:05,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:05,754 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 111 transitions. [2018-10-27 04:47:05,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 111 transitions. [2018-10-27 04:47:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 04:47:05,755 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:05,755 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] [2018-10-27 04:47:05,755 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:05,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:05,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1880265243, now seen corresponding path program 1 times [2018-10-27 04:47:05,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:05,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:05,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,759 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:05,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:05,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:05,971 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:05,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:05,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:05,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:05,972 INFO L87 Difference]: Start difference. First operand 112 states and 111 transitions. Second operand 6 states. [2018-10-27 04:47:06,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:06,350 INFO L93 Difference]: Finished difference Result 108 states and 107 transitions. [2018-10-27 04:47:06,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:06,351 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-10-27 04:47:06,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:06,352 INFO L225 Difference]: With dead ends: 108 [2018-10-27 04:47:06,352 INFO L226 Difference]: Without dead ends: 100 [2018-10-27 04:47:06,352 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-27 04:47:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-27 04:47:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-27 04:47:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 99 transitions. [2018-10-27 04:47:06,354 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 99 transitions. Word has length 32 [2018-10-27 04:47:06,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:06,355 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 99 transitions. [2018-10-27 04:47:06,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 99 transitions. [2018-10-27 04:47:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 04:47:06,356 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:06,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:06,356 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:06,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:06,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1161351103, now seen corresponding path program 1 times [2018-10-27 04:47:06,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:06,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:06,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,357 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:06,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:06,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:06,570 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:06,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:06,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:06,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:06,571 INFO L87 Difference]: Start difference. First operand 100 states and 99 transitions. Second operand 5 states. [2018-10-27 04:47:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:06,742 INFO L93 Difference]: Finished difference Result 99 states and 98 transitions. [2018-10-27 04:47:06,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:06,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-10-27 04:47:06,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:06,743 INFO L225 Difference]: With dead ends: 99 [2018-10-27 04:47:06,744 INFO L226 Difference]: Without dead ends: 99 [2018-10-27 04:47:06,744 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:06,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-27 04:47:06,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-10-27 04:47:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-10-27 04:47:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 98 transitions. [2018-10-27 04:47:06,746 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 98 transitions. Word has length 60 [2018-10-27 04:47:06,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:06,746 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 98 transitions. [2018-10-27 04:47:06,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 98 transitions. [2018-10-27 04:47:06,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 04:47:06,747 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:06,747 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:06,747 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:06,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:06,748 INFO L82 PathProgramCache]: Analyzing trace with hash 633091619, now seen corresponding path program 1 times [2018-10-27 04:47:06,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:06,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:06,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,749 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:06,931 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:06,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:06,932 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:06,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:06,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:06,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:06,932 INFO L87 Difference]: Start difference. First operand 99 states and 98 transitions. Second operand 4 states. [2018-10-27 04:47:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:07,063 INFO L93 Difference]: Finished difference Result 98 states and 97 transitions. [2018-10-27 04:47:07,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:07,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-10-27 04:47:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:07,065 INFO L225 Difference]: With dead ends: 98 [2018-10-27 04:47:07,065 INFO L226 Difference]: Without dead ends: 98 [2018-10-27 04:47:07,065 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:07,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-27 04:47:07,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-27 04:47:07,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-27 04:47:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 97 transitions. [2018-10-27 04:47:07,067 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 97 transitions. Word has length 62 [2018-10-27 04:47:07,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:07,068 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 97 transitions. [2018-10-27 04:47:07,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:07,068 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 97 transitions. [2018-10-27 04:47:07,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 04:47:07,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:07,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:07,069 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:07,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:07,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1484305403, now seen corresponding path program 1 times [2018-10-27 04:47:07,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:07,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:07,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,070 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:07,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:07,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:07,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:07,256 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:07,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:07,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:07,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:07,257 INFO L87 Difference]: Start difference. First operand 98 states and 97 transitions. Second operand 4 states. [2018-10-27 04:47:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:07,379 INFO L93 Difference]: Finished difference Result 97 states and 96 transitions. [2018-10-27 04:47:07,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:07,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-27 04:47:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:07,380 INFO L225 Difference]: With dead ends: 97 [2018-10-27 04:47:07,380 INFO L226 Difference]: Without dead ends: 97 [2018-10-27 04:47:07,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-27 04:47:07,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-10-27 04:47:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-27 04:47:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 96 transitions. [2018-10-27 04:47:07,383 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 96 transitions. Word has length 64 [2018-10-27 04:47:07,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:07,383 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 96 transitions. [2018-10-27 04:47:07,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 96 transitions. [2018-10-27 04:47:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 04:47:07,384 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:07,384 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:07,384 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:07,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:07,385 INFO L82 PathProgramCache]: Analyzing trace with hash -488345113, now seen corresponding path program 1 times [2018-10-27 04:47:07,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:07,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:07,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,386 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:07,788 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:07,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:07,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:07,799 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:07,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:07,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:07,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:07,802 INFO L87 Difference]: Start difference. First operand 97 states and 96 transitions. Second operand 4 states. [2018-10-27 04:47:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:08,104 INFO L93 Difference]: Finished difference Result 96 states and 95 transitions. [2018-10-27 04:47:08,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:08,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-10-27 04:47:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:08,105 INFO L225 Difference]: With dead ends: 96 [2018-10-27 04:47:08,105 INFO L226 Difference]: Without dead ends: 96 [2018-10-27 04:47:08,105 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:08,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-27 04:47:08,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-27 04:47:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-27 04:47:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 95 transitions. [2018-10-27 04:47:08,107 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 95 transitions. Word has length 66 [2018-10-27 04:47:08,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:08,108 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 95 transitions. [2018-10-27 04:47:08,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 95 transitions. [2018-10-27 04:47:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 04:47:08,108 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:08,108 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:08,109 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:08,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:08,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1148213303, now seen corresponding path program 1 times [2018-10-27 04:47:08,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:08,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,110 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:08,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:08,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:08,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:47:08,436 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:08,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:47:08,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:47:08,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:08,437 INFO L87 Difference]: Start difference. First operand 96 states and 95 transitions. Second operand 7 states. [2018-10-27 04:47:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:08,772 INFO L93 Difference]: Finished difference Result 95 states and 94 transitions. [2018-10-27 04:47:08,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:08,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-10-27 04:47:08,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:08,773 INFO L225 Difference]: With dead ends: 95 [2018-10-27 04:47:08,773 INFO L226 Difference]: Without dead ends: 95 [2018-10-27 04:47:08,774 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:47:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-27 04:47:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-10-27 04:47:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-27 04:47:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 94 transitions. [2018-10-27 04:47:08,776 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 94 transitions. Word has length 68 [2018-10-27 04:47:08,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:08,776 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 94 transitions. [2018-10-27 04:47:08,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:47:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 94 transitions. [2018-10-27 04:47:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 04:47:08,776 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:08,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:08,777 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:08,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:08,777 INFO L82 PathProgramCache]: Analyzing trace with hash 373616043, now seen corresponding path program 1 times [2018-10-27 04:47:08,777 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:08,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:08,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,778 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:08,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:08,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:08,940 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:08,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:08,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:08,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:08,941 INFO L87 Difference]: Start difference. First operand 95 states and 94 transitions. Second operand 4 states. [2018-10-27 04:47:09,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:09,250 INFO L93 Difference]: Finished difference Result 94 states and 93 transitions. [2018-10-27 04:47:09,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:09,252 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-27 04:47:09,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:09,252 INFO L225 Difference]: With dead ends: 94 [2018-10-27 04:47:09,252 INFO L226 Difference]: Without dead ends: 94 [2018-10-27 04:47:09,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:09,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-27 04:47:09,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-10-27 04:47:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-10-27 04:47:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 93 transitions. [2018-10-27 04:47:09,255 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 93 transitions. Word has length 70 [2018-10-27 04:47:09,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:09,255 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 93 transitions. [2018-10-27 04:47:09,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 93 transitions. [2018-10-27 04:47:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 04:47:09,262 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:09,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:09,263 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:09,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:09,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1732230259, now seen corresponding path program 1 times [2018-10-27 04:47:09,263 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:09,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:09,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:09,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:09,264 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:09,632 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:09,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:09,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:09,645 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:09,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:09,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:09,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:09,647 INFO L87 Difference]: Start difference. First operand 94 states and 93 transitions. Second operand 4 states. [2018-10-27 04:47:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:10,561 INFO L93 Difference]: Finished difference Result 93 states and 92 transitions. [2018-10-27 04:47:10,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:10,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-27 04:47:10,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:10,563 INFO L225 Difference]: With dead ends: 93 [2018-10-27 04:47:10,563 INFO L226 Difference]: Without dead ends: 93 [2018-10-27 04:47:10,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:10,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-10-27 04:47:10,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-10-27 04:47:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-10-27 04:47:10,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 92 transitions. [2018-10-27 04:47:10,565 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 92 transitions. Word has length 72 [2018-10-27 04:47:10,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:10,565 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 92 transitions. [2018-10-27 04:47:10,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:10,565 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 92 transitions. [2018-10-27 04:47:10,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-27 04:47:10,566 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:10,566 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:10,566 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:10,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:10,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1774037359, now seen corresponding path program 1 times [2018-10-27 04:47:10,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:10,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:10,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,567 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:10,944 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:10,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:10,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:10,957 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:10,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:10,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:10,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:10,958 INFO L87 Difference]: Start difference. First operand 93 states and 92 transitions. Second operand 4 states. [2018-10-27 04:47:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:11,229 INFO L93 Difference]: Finished difference Result 92 states and 91 transitions. [2018-10-27 04:47:11,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:11,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-10-27 04:47:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:11,231 INFO L225 Difference]: With dead ends: 92 [2018-10-27 04:47:11,231 INFO L226 Difference]: Without dead ends: 92 [2018-10-27 04:47:11,231 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:11,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-27 04:47:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-10-27 04:47:11,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-27 04:47:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions. [2018-10-27 04:47:11,233 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 74 [2018-10-27 04:47:11,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:11,234 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 91 transitions. [2018-10-27 04:47:11,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2018-10-27 04:47:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-27 04:47:11,234 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:11,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:11,235 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:11,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:11,235 INFO L82 PathProgramCache]: Analyzing trace with hash -252108975, now seen corresponding path program 1 times [2018-10-27 04:47:11,235 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:11,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:11,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,236 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:11,665 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-27 04:47:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:11,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:11,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:11,700 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:11,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:11,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:11,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:11,700 INFO L87 Difference]: Start difference. First operand 92 states and 91 transitions. Second operand 5 states. [2018-10-27 04:47:11,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:11,841 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-10-27 04:47:11,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:11,842 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-10-27 04:47:11,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:11,843 INFO L225 Difference]: With dead ends: 91 [2018-10-27 04:47:11,843 INFO L226 Difference]: Without dead ends: 91 [2018-10-27 04:47:11,843 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-27 04:47:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-27 04:47:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-27 04:47:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 90 transitions. [2018-10-27 04:47:11,845 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 90 transitions. Word has length 76 [2018-10-27 04:47:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:11,845 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 90 transitions. [2018-10-27 04:47:11,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 90 transitions. [2018-10-27 04:47:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 04:47:11,846 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:11,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:11,846 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:11,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:11,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1758550733, now seen corresponding path program 1 times [2018-10-27 04:47:11,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:11,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:11,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,847 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:12,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:12,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:12,090 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:12,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:12,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:12,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:12,091 INFO L87 Difference]: Start difference. First operand 91 states and 90 transitions. Second operand 4 states. [2018-10-27 04:47:12,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:12,261 INFO L93 Difference]: Finished difference Result 90 states and 89 transitions. [2018-10-27 04:47:12,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:12,262 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-10-27 04:47:12,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:12,262 INFO L225 Difference]: With dead ends: 90 [2018-10-27 04:47:12,262 INFO L226 Difference]: Without dead ends: 90 [2018-10-27 04:47:12,263 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:12,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-27 04:47:12,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-10-27 04:47:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-10-27 04:47:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 89 transitions. [2018-10-27 04:47:12,264 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 89 transitions. Word has length 78 [2018-10-27 04:47:12,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:12,265 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 89 transitions. [2018-10-27 04:47:12,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:12,265 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 89 transitions. [2018-10-27 04:47:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 04:47:12,266 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:12,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:12,266 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:12,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:12,266 INFO L82 PathProgramCache]: Analyzing trace with hash -2045101291, now seen corresponding path program 1 times [2018-10-27 04:47:12,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:12,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:12,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:12,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:12,267 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:12,648 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:12,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:12,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:12,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:12,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:12,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:12,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:12,665 INFO L87 Difference]: Start difference. First operand 90 states and 89 transitions. Second operand 4 states. [2018-10-27 04:47:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:13,354 INFO L93 Difference]: Finished difference Result 89 states and 88 transitions. [2018-10-27 04:47:13,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:13,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2018-10-27 04:47:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:13,356 INFO L225 Difference]: With dead ends: 89 [2018-10-27 04:47:13,356 INFO L226 Difference]: Without dead ends: 89 [2018-10-27 04:47:13,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-10-27 04:47:13,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-10-27 04:47:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-27 04:47:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 88 transitions. [2018-10-27 04:47:13,358 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 88 transitions. Word has length 80 [2018-10-27 04:47:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:13,358 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 88 transitions. [2018-10-27 04:47:13,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:13,358 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 88 transitions. [2018-10-27 04:47:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-27 04:47:13,359 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:13,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:13,362 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:13,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:13,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1752686839, now seen corresponding path program 1 times [2018-10-27 04:47:13,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:13,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:13,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:13,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:13,363 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:13,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:13,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:13,589 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:13,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:13,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:13,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:13,589 INFO L87 Difference]: Start difference. First operand 89 states and 88 transitions. Second operand 4 states. [2018-10-27 04:47:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:13,704 INFO L93 Difference]: Finished difference Result 88 states and 87 transitions. [2018-10-27 04:47:13,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:13,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-10-27 04:47:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:13,706 INFO L225 Difference]: With dead ends: 88 [2018-10-27 04:47:13,706 INFO L226 Difference]: Without dead ends: 88 [2018-10-27 04:47:13,706 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-27 04:47:13,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-10-27 04:47:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-27 04:47:13,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 87 transitions. [2018-10-27 04:47:13,708 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 87 transitions. Word has length 82 [2018-10-27 04:47:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:13,708 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 87 transitions. [2018-10-27 04:47:13,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 87 transitions. [2018-10-27 04:47:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 04:47:13,709 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:13,709 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:13,710 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:13,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:13,710 INFO L82 PathProgramCache]: Analyzing trace with hash 704878297, now seen corresponding path program 1 times [2018-10-27 04:47:13,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:13,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:13,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:13,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:13,711 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:13,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:13,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:13,906 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:13,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:13,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:13,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:13,907 INFO L87 Difference]: Start difference. First operand 88 states and 87 transitions. Second operand 5 states. [2018-10-27 04:47:14,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:14,681 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-10-27 04:47:14,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:14,682 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-10-27 04:47:14,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:14,683 INFO L225 Difference]: With dead ends: 86 [2018-10-27 04:47:14,683 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 04:47:14,683 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:14,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 04:47:14,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 04:47:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 04:47:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 04:47:14,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2018-10-27 04:47:14,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:14,684 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 04:47:14,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 04:47:14,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 04:47:14,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:47:14 BoogieIcfgContainer [2018-10-27 04:47:14,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:47:14,698 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:47:14,698 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:47:14,698 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:47:14,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:56" (3/4) ... [2018-10-27 04:47:14,706 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 04:47:14,714 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 04:47:14,716 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 04:47:14,743 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 282 nodes and edges [2018-10-27 04:47:14,748 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 175 nodes and edges [2018-10-27 04:47:14,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2018-10-27 04:47:14,749 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 04:47:14,870 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f19ba83f-34ec-4afa-b826-5ea976dc4934/bin-2019/utaipan/witness.graphml [2018-10-27 04:47:14,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:47:14,872 INFO L168 Benchmark]: Toolchain (without parser) took 21480.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 957.1 MB in the beginning and 934.7 MB in the end (delta: 22.4 MB). Peak memory consumption was 260.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,872 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:47:14,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 943.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 938.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,873 INFO L168 Benchmark]: Boogie Preprocessor took 71.69 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 930.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,873 INFO L168 Benchmark]: RCFGBuilder took 2355.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 930.2 MB in the beginning and 1.0 GB in the end (delta: -77.5 MB). Peak memory consumption was 96.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,873 INFO L168 Benchmark]: TraceAbstraction took 18555.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 963.6 MB in the end (delta: 44.1 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,874 INFO L168 Benchmark]: Witness Printer took 173.32 ms. Allocated memory is still 1.3 GB. Free memory was 963.6 MB in the beginning and 934.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:14,875 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 257.18 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 943.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 62.78 ms. Allocated memory is still 1.0 GB. Free memory was 943.6 MB in the beginning and 938.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.69 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 930.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2355.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 930.2 MB in the beginning and 1.0 GB in the end (delta: -77.5 MB). Peak memory consumption was 96.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18555.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.7 MB). Free memory was 1.0 GB in the beginning and 963.6 MB in the end (delta: 44.1 MB). Peak memory consumption was 123.8 MB. Max. memory is 11.5 GB. * Witness Printer took 173.32 ms. Allocated memory is still 1.3 GB. Free memory was 963.6 MB in the beginning and 934.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 89 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 187 locations, 89 error locations. SAFE Result, 18.4s OverallTime, 29 OverallIterations, 1 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1708 SDtfs, 2337 SDslu, 1630 SDs, 0 SdLazy, 5347 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 29 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1169 ConstructedInterpolants, 0 QuantifiedInterpolants, 660611 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...