./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2_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_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/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 40aebfbfcf1ace3ae19699b445fb033c37125741 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:47:02,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:47:02,115 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:47:02,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:47:02,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:47:02,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:47:02,133 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:47:02,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:47:02,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:47:02,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:47:02,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:47:02,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:47:02,148 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:47:02,149 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:47:02,150 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:47:02,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:47:02,155 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:47:02,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:47:02,158 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:47:02,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:47:02,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:47:02,166 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:47:02,168 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:47:02,168 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:47:02,168 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:47:02,169 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:47:02,170 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:47:02,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:47:02,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:47:02,173 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:47:02,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:47:02,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:47:02,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:47:02,174 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:47:02,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:47:02,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:47:02,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:47:02,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:47:02,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:47:02,190 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:47:02,190 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:47:02,190 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:47:02,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:47:02,191 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:47:02,191 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:47:02,192 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:47:02,192 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:47:02,192 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:47:02,193 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:47:02,193 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:47:02,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:47:02,193 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:47:02,193 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:47:02,194 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:47:02,195 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:47:02,196 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:47:02,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:47:02,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:47:02,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:47:02,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:47:02,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:47:02,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:47:02,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:47:02,198 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:47:02,198 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:47:02,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:47:02,198 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_8da3e727-27d6-4823-95be-29b8767a6cc0/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 -> 40aebfbfcf1ace3ae19699b445fb033c37125741 [2018-10-27 04:47:02,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:47:02,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:47:02,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:47:02,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:47:02,245 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:47:02,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2_true-valid-memsafety.c [2018-10-27 04:47:02,297 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/data/4862f1c52/1fc50d62fb1747febf98f67f9d404421/FLAGddd265dbf [2018-10-27 04:47:02,655 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:47:02,656 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/sv-benchmarks/c/ldv-memsafety/StructInitialization2_true-valid-memsafety.c [2018-10-27 04:47:02,666 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/data/4862f1c52/1fc50d62fb1747febf98f67f9d404421/FLAGddd265dbf [2018-10-27 04:47:02,680 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/data/4862f1c52/1fc50d62fb1747febf98f67f9d404421 [2018-10-27 04:47:02,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:47:02,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:47:02,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:47:02,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:47:02,689 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:47:02,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:02,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce6d6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02, skipping insertion in model container [2018-10-27 04:47:02,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:02,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:47:02,723 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:47:02,869 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:47:02,891 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:47:02,923 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:47:02,952 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:47:02,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02 WrapperNode [2018-10-27 04:47:02,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:47:02,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:47:02,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:47:02,954 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:47:02,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:02,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:47:03,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:47:03,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:47:03,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:47:03,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... [2018-10-27 04:47:03,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:47:03,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:47:03,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:47:03,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:47:03,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/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 04:47:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:47:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:47:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:47:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:47:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:47:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:47:05,393 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:47:05,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:05 BoogieIcfgContainer [2018-10-27 04:47:05,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:47:05,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:47:05,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:47:05,398 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:47:05,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:47:02" (1/3) ... [2018-10-27 04:47:05,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc84682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:05, skipping insertion in model container [2018-10-27 04:47:05,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:02" (2/3) ... [2018-10-27 04:47:05,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc84682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:05, skipping insertion in model container [2018-10-27 04:47:05,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:05" (3/3) ... [2018-10-27 04:47:05,401 INFO L112 eAbstractionObserver]: Analyzing ICFG StructInitialization2_true-valid-memsafety.c [2018-10-27 04:47:05,412 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:47:05,426 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 89 error locations. [2018-10-27 04:47:05,445 INFO L257 AbstractCegarLoop]: Starting to check reachability of 89 error locations. [2018-10-27 04:47:05,473 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:47:05,473 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:47:05,473 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:47:05,474 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:47:05,474 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:47:05,474 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:47:05,475 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:47:05,475 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:47:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2018-10-27 04:47:05,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-27 04:47:05,507 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:05,507 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-10-27 04:47:05,512 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:05,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:05,520 INFO L82 PathProgramCache]: Analyzing trace with hash 206616, now seen corresponding path program 1 times [2018-10-27 04:47:05,522 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:05,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:05,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:05,563 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:05,810 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 04:47:05,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:05,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:05,812 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:05,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:05,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:05,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:05,829 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 3 states. [2018-10-27 04:47:06,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:06,593 INFO L93 Difference]: Finished difference Result 185 states and 184 transitions. [2018-10-27 04:47:06,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:06,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-10-27 04:47:06,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:06,604 INFO L225 Difference]: With dead ends: 185 [2018-10-27 04:47:06,605 INFO L226 Difference]: Without dead ends: 181 [2018-10-27 04:47:06,606 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 04:47:06,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-10-27 04:47:06,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-10-27 04:47:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-27 04:47:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 180 transitions. [2018-10-27 04:47:06,656 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 180 transitions. Word has length 3 [2018-10-27 04:47:06,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:06,656 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 180 transitions. [2018-10-27 04:47:06,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 180 transitions. [2018-10-27 04:47:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-27 04:47:06,657 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:06,657 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-27 04:47:06,660 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:06,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:06,660 INFO L82 PathProgramCache]: Analyzing trace with hash 6405130, now seen corresponding path program 1 times [2018-10-27 04:47:06,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:06,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:06,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:06,662 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:06,893 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:06,894 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 04:47:06,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:06,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:06,894 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:06,897 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:06,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:06,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:06,900 INFO L87 Difference]: Start difference. First operand 181 states and 180 transitions. Second operand 3 states. [2018-10-27 04:47:07,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:07,231 INFO L93 Difference]: Finished difference Result 180 states and 179 transitions. [2018-10-27 04:47:07,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:07,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-10-27 04:47:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:07,234 INFO L225 Difference]: With dead ends: 180 [2018-10-27 04:47:07,234 INFO L226 Difference]: Without dead ends: 180 [2018-10-27 04:47:07,235 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 04:47:07,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-10-27 04:47:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-10-27 04:47:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-10-27 04:47:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 179 transitions. [2018-10-27 04:47:07,251 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 179 transitions. Word has length 4 [2018-10-27 04:47:07,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:07,252 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 179 transitions. [2018-10-27 04:47:07,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 179 transitions. [2018-10-27 04:47:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 04:47:07,252 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:07,252 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-10-27 04:47:07,257 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:07,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:07,257 INFO L82 PathProgramCache]: Analyzing trace with hash 198559066, now seen corresponding path program 1 times [2018-10-27 04:47:07,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:07,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,260 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:07,405 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 04:47:07,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:07,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:07,406 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:07,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:07,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:07,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:07,407 INFO L87 Difference]: Start difference. First operand 180 states and 179 transitions. Second operand 4 states. [2018-10-27 04:47:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:07,778 INFO L93 Difference]: Finished difference Result 177 states and 176 transitions. [2018-10-27 04:47:07,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:07,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2018-10-27 04:47:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:07,780 INFO L225 Difference]: With dead ends: 177 [2018-10-27 04:47:07,780 INFO L226 Difference]: Without dead ends: 177 [2018-10-27 04:47:07,780 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 04:47:07,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-10-27 04:47:07,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-10-27 04:47:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-10-27 04:47:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 176 transitions. [2018-10-27 04:47:07,789 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 176 transitions. Word has length 5 [2018-10-27 04:47:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:07,789 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 176 transitions. [2018-10-27 04:47:07,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 176 transitions. [2018-10-27 04:47:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 04:47:07,790 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:07,790 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-10-27 04:47:07,793 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:07,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1860363788, now seen corresponding path program 1 times [2018-10-27 04:47:07,794 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:07,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:07,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:07,795 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:08,163 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:08,164 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 04:47:08,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:08,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:08,165 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:08,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:08,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:08,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:08,166 INFO L87 Difference]: Start difference. First operand 177 states and 176 transitions. Second operand 4 states. [2018-10-27 04:47:08,430 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 04:47:08,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:08,801 INFO L93 Difference]: Finished difference Result 176 states and 175 transitions. [2018-10-27 04:47:08,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:08,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-10-27 04:47:08,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:08,804 INFO L225 Difference]: With dead ends: 176 [2018-10-27 04:47:08,804 INFO L226 Difference]: Without dead ends: 176 [2018-10-27 04:47:08,805 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-10-27 04:47:08,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-10-27 04:47:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-10-27 04:47:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 175 transitions. [2018-10-27 04:47:08,825 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 175 transitions. Word has length 6 [2018-10-27 04:47:08,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:08,825 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 175 transitions. [2018-10-27 04:47:08,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:08,826 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 175 transitions. [2018-10-27 04:47:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:47:08,826 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:08,826 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:08,829 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:08,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:08,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1103206414, now seen corresponding path program 1 times [2018-10-27 04:47:08,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:08,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:08,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:08,839 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:09,070 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 04:47:09,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:09,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:09,071 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:09,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:09,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:09,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:09,071 INFO L87 Difference]: Start difference. First operand 176 states and 175 transitions. Second operand 5 states. [2018-10-27 04:47:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:09,290 INFO L93 Difference]: Finished difference Result 175 states and 174 transitions. [2018-10-27 04:47:09,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:09,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-10-27 04:47:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:09,291 INFO L225 Difference]: With dead ends: 175 [2018-10-27 04:47:09,291 INFO L226 Difference]: Without dead ends: 175 [2018-10-27 04:47:09,292 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:09,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-10-27 04:47:09,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-10-27 04:47:09,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-27 04:47:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 174 transitions. [2018-10-27 04:47:09,301 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 174 transitions. Word has length 8 [2018-10-27 04:47:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:09,301 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 174 transitions. [2018-10-27 04:47:09,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 174 transitions. [2018-10-27 04:47:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 04:47:09,302 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:09,302 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:09,303 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:09,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:09,303 INFO L82 PathProgramCache]: Analyzing trace with hash -675556848, now seen corresponding path program 1 times [2018-10-27 04:47:09,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:09,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:09,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:09,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:09,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:09,555 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 04:47:09,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:09,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:09,555 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:09,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:09,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:09,556 INFO L87 Difference]: Start difference. First operand 175 states and 174 transitions. Second operand 5 states. [2018-10-27 04:47:10,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:10,071 INFO L93 Difference]: Finished difference Result 174 states and 173 transitions. [2018-10-27 04:47:10,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:10,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-10-27 04:47:10,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:10,073 INFO L225 Difference]: With dead ends: 174 [2018-10-27 04:47:10,073 INFO L226 Difference]: Without dead ends: 174 [2018-10-27 04:47:10,073 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-10-27 04:47:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-10-27 04:47:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-10-27 04:47:10,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 173 transitions. [2018-10-27 04:47:10,078 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 173 transitions. Word has length 10 [2018-10-27 04:47:10,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:10,079 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 173 transitions. [2018-10-27 04:47:10,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 173 transitions. [2018-10-27 04:47:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-27 04:47:10,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:10,082 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:10,084 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:10,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:10,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1025521058, now seen corresponding path program 1 times [2018-10-27 04:47:10,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:10,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:10,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,086 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:10,302 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 04:47:10,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:10,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:10,303 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:10,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:10,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:10,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:10,304 INFO L87 Difference]: Start difference. First operand 174 states and 173 transitions. Second operand 6 states. [2018-10-27 04:47:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:10,550 INFO L93 Difference]: Finished difference Result 143 states and 142 transitions. [2018-10-27 04:47:10,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:10,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-10-27 04:47:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:10,552 INFO L225 Difference]: With dead ends: 143 [2018-10-27 04:47:10,552 INFO L226 Difference]: Without dead ends: 143 [2018-10-27 04:47:10,552 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-27 04:47:10,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-10-27 04:47:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-27 04:47:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 142 transitions. [2018-10-27 04:47:10,555 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 142 transitions. Word has length 15 [2018-10-27 04:47:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:10,555 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 142 transitions. [2018-10-27 04:47:10,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 142 transitions. [2018-10-27 04:47:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:47:10,556 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:10,556 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:10,557 INFO L424 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:10,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:10,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1726381781, now seen corresponding path program 1 times [2018-10-27 04:47:10,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:10,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:10,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:10,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:10,779 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 04:47:10,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:10,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:10,780 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:10,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:10,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:10,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:10,780 INFO L87 Difference]: Start difference. First operand 143 states and 142 transitions. Second operand 5 states. [2018-10-27 04:47:11,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:11,065 INFO L93 Difference]: Finished difference Result 138 states and 137 transitions. [2018-10-27 04:47:11,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:11,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-10-27 04:47:11,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:11,066 INFO L225 Difference]: With dead ends: 138 [2018-10-27 04:47:11,066 INFO L226 Difference]: Without dead ends: 138 [2018-10-27 04:47:11,067 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 04:47:11,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-10-27 04:47:11,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-10-27 04:47:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-10-27 04:47:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 137 transitions. [2018-10-27 04:47:11,071 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 137 transitions. Word has length 16 [2018-10-27 04:47:11,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:11,071 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 137 transitions. [2018-10-27 04:47:11,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 137 transitions. [2018-10-27 04:47:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:47:11,072 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:11,072 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 04:47:11,073 INFO L424 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:11,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:11,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1195517111, now seen corresponding path program 1 times [2018-10-27 04:47:11,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:11,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,079 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:11,360 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 04:47:11,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:11,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:11,361 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:11,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:11,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:11,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:11,362 INFO L87 Difference]: Start difference. First operand 138 states and 137 transitions. Second operand 5 states. [2018-10-27 04:47:11,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:11,614 INFO L93 Difference]: Finished difference Result 133 states and 132 transitions. [2018-10-27 04:47:11,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:11,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-10-27 04:47:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:11,615 INFO L225 Difference]: With dead ends: 133 [2018-10-27 04:47:11,615 INFO L226 Difference]: Without dead ends: 133 [2018-10-27 04:47:11,616 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:11,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-10-27 04:47:11,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-10-27 04:47:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-10-27 04:47:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 132 transitions. [2018-10-27 04:47:11,619 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 132 transitions. Word has length 18 [2018-10-27 04:47:11,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:11,619 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 132 transitions. [2018-10-27 04:47:11,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:11,619 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 132 transitions. [2018-10-27 04:47:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-27 04:47:11,620 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:11,620 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 04:47:11,621 INFO L424 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:11,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:11,621 INFO L82 PathProgramCache]: Analyzing trace with hash 2135677593, now seen corresponding path program 1 times [2018-10-27 04:47:11,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:11,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:11,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:11,622 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:12,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:12,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:12,080 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:12,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:12,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:12,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:12,081 INFO L87 Difference]: Start difference. First operand 133 states and 132 transitions. Second operand 5 states. [2018-10-27 04:47:12,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:12,517 INFO L93 Difference]: Finished difference Result 128 states and 127 transitions. [2018-10-27 04:47:12,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:12,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-10-27 04:47:12,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:12,518 INFO L225 Difference]: With dead ends: 128 [2018-10-27 04:47:12,518 INFO L226 Difference]: Without dead ends: 128 [2018-10-27 04:47:12,519 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 04:47:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-27 04:47:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-10-27 04:47:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-10-27 04:47:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 127 transitions. [2018-10-27 04:47:12,521 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 127 transitions. Word has length 20 [2018-10-27 04:47:12,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:12,522 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 127 transitions. [2018-10-27 04:47:12,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 127 transitions. [2018-10-27 04:47:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 04:47:12,522 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:12,522 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 04:47:12,527 INFO L424 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:12,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:12,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1781496008, now seen corresponding path program 1 times [2018-10-27 04:47:12,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:12,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:12,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:12,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:12,529 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:12,936 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 04:47:12,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:12,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:12,936 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:12,937 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:12,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:12,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:12,937 INFO L87 Difference]: Start difference. First operand 128 states and 127 transitions. Second operand 6 states. [2018-10-27 04:47:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:14,130 INFO L93 Difference]: Finished difference Result 119 states and 118 transitions. [2018-10-27 04:47:14,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:14,131 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-10-27 04:47:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:14,131 INFO L225 Difference]: With dead ends: 119 [2018-10-27 04:47:14,131 INFO L226 Difference]: Without dead ends: 119 [2018-10-27 04:47:14,132 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:14,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-10-27 04:47:14,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-10-27 04:47:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-10-27 04:47:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 118 transitions. [2018-10-27 04:47:14,134 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 118 transitions. Word has length 21 [2018-10-27 04:47:14,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:14,134 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 118 transitions. [2018-10-27 04:47:14,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 118 transitions. [2018-10-27 04:47:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:47:14,135 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:14,135 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 04:47:14,136 INFO L424 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:14,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:14,136 INFO L82 PathProgramCache]: Analyzing trace with hash -608198533, now seen corresponding path program 1 times [2018-10-27 04:47:14,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:14,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:14,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:14,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:14,137 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:14,259 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 04:47:14,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:14,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:14,259 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:14,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:14,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:14,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:14,260 INFO L87 Difference]: Start difference. First operand 119 states and 118 transitions. Second operand 5 states. [2018-10-27 04:47:14,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:14,547 INFO L93 Difference]: Finished difference Result 118 states and 117 transitions. [2018-10-27 04:47:14,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:14,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-10-27 04:47:14,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:14,549 INFO L225 Difference]: With dead ends: 118 [2018-10-27 04:47:14,549 INFO L226 Difference]: Without dead ends: 118 [2018-10-27 04:47:14,549 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 04:47:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-10-27 04:47:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-10-27 04:47:14,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-10-27 04:47:14,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 117 transitions. [2018-10-27 04:47:14,551 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 117 transitions. Word has length 22 [2018-10-27 04:47:14,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:14,552 INFO L481 AbstractCegarLoop]: Abstraction has 118 states and 117 transitions. [2018-10-27 04:47:14,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:14,552 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 117 transitions. [2018-10-27 04:47:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:47:14,552 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:14,552 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 04:47:14,553 INFO L424 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:14,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:14,553 INFO L82 PathProgramCache]: Analyzing trace with hash -363235747, now seen corresponding path program 1 times [2018-10-27 04:47:14,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:14,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:14,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:14,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:14,554 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:14,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:14,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:14,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:14,766 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:14,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:14,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:14,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:14,766 INFO L87 Difference]: Start difference. First operand 118 states and 117 transitions. Second operand 5 states. [2018-10-27 04:47:15,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:15,030 INFO L93 Difference]: Finished difference Result 116 states and 115 transitions. [2018-10-27 04:47:15,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:15,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-10-27 04:47:15,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:15,031 INFO L225 Difference]: With dead ends: 116 [2018-10-27 04:47:15,032 INFO L226 Difference]: Without dead ends: 116 [2018-10-27 04:47:15,032 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 04:47:15,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-10-27 04:47:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-10-27 04:47:15,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-10-27 04:47:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 115 transitions. [2018-10-27 04:47:15,034 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 115 transitions. Word has length 24 [2018-10-27 04:47:15,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:15,034 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 115 transitions. [2018-10-27 04:47:15,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:15,035 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 115 transitions. [2018-10-27 04:47:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-27 04:47:15,036 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:15,036 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 04:47:15,036 INFO L424 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:15,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:15,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1712369119, now seen corresponding path program 1 times [2018-10-27 04:47:15,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:15,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:15,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,038 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:15,293 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 04:47:15,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:15,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:15,294 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:15,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:15,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:15,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:15,295 INFO L87 Difference]: Start difference. First operand 116 states and 115 transitions. Second operand 5 states. [2018-10-27 04:47:15,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:15,443 INFO L93 Difference]: Finished difference Result 115 states and 114 transitions. [2018-10-27 04:47:15,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:15,444 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-10-27 04:47:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:15,445 INFO L225 Difference]: With dead ends: 115 [2018-10-27 04:47:15,445 INFO L226 Difference]: Without dead ends: 115 [2018-10-27 04:47:15,445 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 04:47:15,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-10-27 04:47:15,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-10-27 04:47:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-10-27 04:47:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 114 transitions. [2018-10-27 04:47:15,448 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 114 transitions. Word has length 28 [2018-10-27 04:47:15,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:15,448 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 114 transitions. [2018-10-27 04:47:15,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 114 transitions. [2018-10-27 04:47:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:47:15,449 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:15,449 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 04:47:15,449 INFO L424 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:15,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:15,450 INFO L82 PathProgramCache]: Analyzing trace with hash -614246397, now seen corresponding path program 1 times [2018-10-27 04:47:15,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:15,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,450 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:15,666 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 04:47:15,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:15,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:15,666 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:15,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:15,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:15,667 INFO L87 Difference]: Start difference. First operand 115 states and 114 transitions. Second operand 5 states. [2018-10-27 04:47:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:15,867 INFO L93 Difference]: Finished difference Result 112 states and 111 transitions. [2018-10-27 04:47:15,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:15,868 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-10-27 04:47:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:15,868 INFO L225 Difference]: With dead ends: 112 [2018-10-27 04:47:15,869 INFO L226 Difference]: Without dead ends: 112 [2018-10-27 04:47:15,869 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:15,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-10-27 04:47:15,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-10-27 04:47:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-10-27 04:47:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 111 transitions. [2018-10-27 04:47:15,871 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 111 transitions. Word has length 30 [2018-10-27 04:47:15,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:15,872 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 111 transitions. [2018-10-27 04:47:15,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:15,872 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 111 transitions. [2018-10-27 04:47:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 04:47:15,872 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:15,873 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 04:47:15,873 INFO L424 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:15,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:15,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1880265243, now seen corresponding path program 1 times [2018-10-27 04:47:15,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:15,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:15,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:15,875 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:16,052 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 04:47:16,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:16,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:16,053 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:16,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:16,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:16,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:16,053 INFO L87 Difference]: Start difference. First operand 112 states and 111 transitions. Second operand 6 states. [2018-10-27 04:47:16,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:16,269 INFO L93 Difference]: Finished difference Result 108 states and 107 transitions. [2018-10-27 04:47:16,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:16,270 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-10-27 04:47:16,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:16,271 INFO L225 Difference]: With dead ends: 108 [2018-10-27 04:47:16,271 INFO L226 Difference]: Without dead ends: 100 [2018-10-27 04:47:16,271 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 04:47:16,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-27 04:47:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-27 04:47:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-27 04:47:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 99 transitions. [2018-10-27 04:47:16,274 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 99 transitions. Word has length 32 [2018-10-27 04:47:16,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:16,274 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 99 transitions. [2018-10-27 04:47:16,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 99 transitions. [2018-10-27 04:47:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 04:47:16,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:16,275 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 04:47:16,276 INFO L424 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:16,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:16,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1161351103, now seen corresponding path program 1 times [2018-10-27 04:47:16,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:16,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:16,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:16,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:16,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:16,533 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 04:47:16,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:16,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:16,534 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:16,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:16,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:16,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:16,537 INFO L87 Difference]: Start difference. First operand 100 states and 99 transitions. Second operand 5 states. [2018-10-27 04:47:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:16,874 INFO L93 Difference]: Finished difference Result 99 states and 98 transitions. [2018-10-27 04:47:16,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:16,875 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2018-10-27 04:47:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:16,875 INFO L225 Difference]: With dead ends: 99 [2018-10-27 04:47:16,876 INFO L226 Difference]: Without dead ends: 99 [2018-10-27 04:47:16,876 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 04:47:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-10-27 04:47:16,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-10-27 04:47:16,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-10-27 04:47:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 98 transitions. [2018-10-27 04:47:16,878 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 98 transitions. Word has length 60 [2018-10-27 04:47:16,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:16,878 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 98 transitions. [2018-10-27 04:47:16,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 98 transitions. [2018-10-27 04:47:16,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 04:47:16,879 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:16,880 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 04:47:16,880 INFO L424 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:16,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:16,880 INFO L82 PathProgramCache]: Analyzing trace with hash 633091619, now seen corresponding path program 1 times [2018-10-27 04:47:16,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:16,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:16,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:16,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:16,881 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:17,284 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:17,296 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 04:47:17,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:17,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:17,297 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:17,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:17,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:17,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:17,299 INFO L87 Difference]: Start difference. First operand 99 states and 98 transitions. Second operand 4 states. [2018-10-27 04:47:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:17,801 INFO L93 Difference]: Finished difference Result 98 states and 97 transitions. [2018-10-27 04:47:17,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:17,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-10-27 04:47:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:17,803 INFO L225 Difference]: With dead ends: 98 [2018-10-27 04:47:17,803 INFO L226 Difference]: Without dead ends: 98 [2018-10-27 04:47:17,804 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 04:47:17,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-10-27 04:47:17,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-10-27 04:47:17,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-10-27 04:47:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 97 transitions. [2018-10-27 04:47:17,806 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 97 transitions. Word has length 62 [2018-10-27 04:47:17,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:17,806 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 97 transitions. [2018-10-27 04:47:17,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 97 transitions. [2018-10-27 04:47:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 04:47:17,809 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:17,809 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:17,810 INFO L424 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:17,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:17,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1484305403, now seen corresponding path program 1 times [2018-10-27 04:47:17,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:17,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:17,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:17,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:17,811 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:18,086 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 04:47:18,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:18,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:18,086 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:18,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:18,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:18,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:18,089 INFO L87 Difference]: Start difference. First operand 98 states and 97 transitions. Second operand 4 states. [2018-10-27 04:47:18,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:18,236 INFO L93 Difference]: Finished difference Result 97 states and 96 transitions. [2018-10-27 04:47:18,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:18,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-27 04:47:18,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:18,237 INFO L225 Difference]: With dead ends: 97 [2018-10-27 04:47:18,237 INFO L226 Difference]: Without dead ends: 97 [2018-10-27 04:47:18,238 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 04:47:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-10-27 04:47:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-10-27 04:47:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-10-27 04:47:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 96 transitions. [2018-10-27 04:47:18,240 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 96 transitions. Word has length 64 [2018-10-27 04:47:18,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:18,240 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 96 transitions. [2018-10-27 04:47:18,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 96 transitions. [2018-10-27 04:47:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-27 04:47:18,241 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:18,241 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 04:47:18,242 INFO L424 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:18,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:18,242 INFO L82 PathProgramCache]: Analyzing trace with hash -488345113, now seen corresponding path program 1 times [2018-10-27 04:47:18,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:18,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:18,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:18,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:18,252 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:18,456 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 04:47:18,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:18,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:18,456 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:18,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:18,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:18,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:18,457 INFO L87 Difference]: Start difference. First operand 97 states and 96 transitions. Second operand 4 states. [2018-10-27 04:47:18,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:18,591 INFO L93 Difference]: Finished difference Result 96 states and 95 transitions. [2018-10-27 04:47:18,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:18,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-10-27 04:47:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:18,593 INFO L225 Difference]: With dead ends: 96 [2018-10-27 04:47:18,593 INFO L226 Difference]: Without dead ends: 96 [2018-10-27 04:47:18,593 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 04:47:18,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-27 04:47:18,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-27 04:47:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-27 04:47:18,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 95 transitions. [2018-10-27 04:47:18,596 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 95 transitions. Word has length 66 [2018-10-27 04:47:18,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:18,596 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 95 transitions. [2018-10-27 04:47:18,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 95 transitions. [2018-10-27 04:47:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-27 04:47:18,597 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:18,597 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 04:47:18,597 INFO L424 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:18,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:18,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1148213303, now seen corresponding path program 1 times [2018-10-27 04:47:18,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:18,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:18,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:18,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:18,607 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:18,823 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 04:47:18,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:18,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:47:18,823 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:18,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:47:18,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:47:18,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:18,824 INFO L87 Difference]: Start difference. First operand 96 states and 95 transitions. Second operand 7 states. [2018-10-27 04:47:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:19,145 INFO L93 Difference]: Finished difference Result 95 states and 94 transitions. [2018-10-27 04:47:19,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:19,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2018-10-27 04:47:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:19,147 INFO L225 Difference]: With dead ends: 95 [2018-10-27 04:47:19,147 INFO L226 Difference]: Without dead ends: 95 [2018-10-27 04:47:19,147 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:47:19,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-10-27 04:47:19,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-10-27 04:47:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-10-27 04:47:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 94 transitions. [2018-10-27 04:47:19,149 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 94 transitions. Word has length 68 [2018-10-27 04:47:19,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:19,150 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 94 transitions. [2018-10-27 04:47:19,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:47:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 94 transitions. [2018-10-27 04:47:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-27 04:47:19,150 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:19,150 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 04:47:19,155 INFO L424 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:19,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:19,156 INFO L82 PathProgramCache]: Analyzing trace with hash 373616043, now seen corresponding path program 1 times [2018-10-27 04:47:19,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:19,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:19,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:19,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:19,157 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:19,494 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 04:47:19,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:19,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:19,495 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:19,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:19,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:19,495 INFO L87 Difference]: Start difference. First operand 95 states and 94 transitions. Second operand 4 states. [2018-10-27 04:47:19,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:19,812 INFO L93 Difference]: Finished difference Result 94 states and 93 transitions. [2018-10-27 04:47:19,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:19,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-27 04:47:19,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:19,814 INFO L225 Difference]: With dead ends: 94 [2018-10-27 04:47:19,815 INFO L226 Difference]: Without dead ends: 94 [2018-10-27 04:47:19,815 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 04:47:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-10-27 04:47:19,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-10-27 04:47:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-10-27 04:47:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 93 transitions. [2018-10-27 04:47:19,818 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 93 transitions. Word has length 70 [2018-10-27 04:47:19,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:19,818 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 93 transitions. [2018-10-27 04:47:19,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 93 transitions. [2018-10-27 04:47:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 04:47:19,819 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:19,819 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 04:47:19,820 INFO L424 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:19,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:19,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1732230259, now seen corresponding path program 1 times [2018-10-27 04:47:19,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:19,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:19,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:19,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:19,821 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:20,212 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:20,223 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 04:47:20,223 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:20,223 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:20,223 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:20,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:20,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:20,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:20,227 INFO L87 Difference]: Start difference. First operand 94 states and 93 transitions. Second operand 4 states. [2018-10-27 04:47:20,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:20,878 INFO L93 Difference]: Finished difference Result 93 states and 92 transitions. [2018-10-27 04:47:20,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:20,879 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 72 [2018-10-27 04:47:20,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:20,880 INFO L225 Difference]: With dead ends: 93 [2018-10-27 04:47:20,880 INFO L226 Difference]: Without dead ends: 93 [2018-10-27 04:47:20,880 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 04:47:20,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-10-27 04:47:20,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-10-27 04:47:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-10-27 04:47:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 92 transitions. [2018-10-27 04:47:20,882 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 92 transitions. Word has length 72 [2018-10-27 04:47:20,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:20,883 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 92 transitions. [2018-10-27 04:47:20,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 92 transitions. [2018-10-27 04:47:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-27 04:47:20,883 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:20,884 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 04:47:20,884 INFO L424 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:20,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:20,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1774037359, now seen corresponding path program 1 times [2018-10-27 04:47:20,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:20,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:20,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:20,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:20,886 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:21,111 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 04:47:21,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:21,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:21,111 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:21,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:21,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:21,112 INFO L87 Difference]: Start difference. First operand 93 states and 92 transitions. Second operand 4 states. [2018-10-27 04:47:21,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:21,270 INFO L93 Difference]: Finished difference Result 92 states and 91 transitions. [2018-10-27 04:47:21,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:21,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-10-27 04:47:21,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:21,271 INFO L225 Difference]: With dead ends: 92 [2018-10-27 04:47:21,271 INFO L226 Difference]: Without dead ends: 92 [2018-10-27 04:47:21,272 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 04:47:21,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-10-27 04:47:21,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-10-27 04:47:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-10-27 04:47:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 91 transitions. [2018-10-27 04:47:21,274 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 91 transitions. Word has length 74 [2018-10-27 04:47:21,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:21,274 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 91 transitions. [2018-10-27 04:47:21,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 91 transitions. [2018-10-27 04:47:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-27 04:47:21,275 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:21,275 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 04:47:21,275 INFO L424 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:21,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash -252108975, now seen corresponding path program 1 times [2018-10-27 04:47:21,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:21,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:21,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:21,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:21,277 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:21,546 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 04:47:21,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:21,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:47:21,547 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:21,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:47:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:47:21,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:21,547 INFO L87 Difference]: Start difference. First operand 92 states and 91 transitions. Second operand 7 states. [2018-10-27 04:47:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:21,769 INFO L93 Difference]: Finished difference Result 91 states and 90 transitions. [2018-10-27 04:47:21,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:21,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2018-10-27 04:47:21,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:21,771 INFO L225 Difference]: With dead ends: 91 [2018-10-27 04:47:21,771 INFO L226 Difference]: Without dead ends: 91 [2018-10-27 04:47:21,771 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:47:21,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-10-27 04:47:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-10-27 04:47:21,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-27 04:47:21,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 90 transitions. [2018-10-27 04:47:21,773 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 90 transitions. Word has length 76 [2018-10-27 04:47:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:21,773 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 90 transitions. [2018-10-27 04:47:21,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:47:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 90 transitions. [2018-10-27 04:47:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-27 04:47:21,773 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:21,773 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 04:47:21,774 INFO L424 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:21,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1758550733, now seen corresponding path program 1 times [2018-10-27 04:47:21,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:21,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:21,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:21,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:21,775 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:21,949 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 04:47:21,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:21,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:21,950 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:21,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:21,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:21,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:21,951 INFO L87 Difference]: Start difference. First operand 91 states and 90 transitions. Second operand 4 states. [2018-10-27 04:47:22,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:22,068 INFO L93 Difference]: Finished difference Result 90 states and 89 transitions. [2018-10-27 04:47:22,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:22,071 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-10-27 04:47:22,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:22,072 INFO L225 Difference]: With dead ends: 90 [2018-10-27 04:47:22,072 INFO L226 Difference]: Without dead ends: 90 [2018-10-27 04:47:22,072 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 04:47:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-10-27 04:47:22,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-10-27 04:47:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-10-27 04:47:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 89 transitions. [2018-10-27 04:47:22,074 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 89 transitions. Word has length 78 [2018-10-27 04:47:22,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:22,075 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 89 transitions. [2018-10-27 04:47:22,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 89 transitions. [2018-10-27 04:47:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 04:47:22,076 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:22,076 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 04:47:22,076 INFO L424 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:22,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash -2045101291, now seen corresponding path program 1 times [2018-10-27 04:47:22,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:22,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:22,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,078 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:22,323 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 04:47:22,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:22,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:22,323 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:22,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:22,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:22,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:22,324 INFO L87 Difference]: Start difference. First operand 90 states and 89 transitions. Second operand 4 states. [2018-10-27 04:47:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:22,536 INFO L93 Difference]: Finished difference Result 89 states and 88 transitions. [2018-10-27 04:47:22,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:22,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2018-10-27 04:47:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:22,537 INFO L225 Difference]: With dead ends: 89 [2018-10-27 04:47:22,538 INFO L226 Difference]: Without dead ends: 89 [2018-10-27 04:47:22,538 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 04:47:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-10-27 04:47:22,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-10-27 04:47:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-10-27 04:47:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 88 transitions. [2018-10-27 04:47:22,540 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 88 transitions. Word has length 80 [2018-10-27 04:47:22,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:22,540 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 88 transitions. [2018-10-27 04:47:22,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 88 transitions. [2018-10-27 04:47:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-27 04:47:22,541 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:22,541 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 04:47:22,542 INFO L424 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:22,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:22,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1752686839, now seen corresponding path program 1 times [2018-10-27 04:47:22,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:22,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:22,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,543 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:22,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:22,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:22,876 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:22,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:22,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:22,877 INFO L87 Difference]: Start difference. First operand 89 states and 88 transitions. Second operand 4 states. [2018-10-27 04:47:22,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:22,988 INFO L93 Difference]: Finished difference Result 88 states and 87 transitions. [2018-10-27 04:47:22,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:22,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-10-27 04:47:22,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:22,990 INFO L225 Difference]: With dead ends: 88 [2018-10-27 04:47:22,990 INFO L226 Difference]: Without dead ends: 88 [2018-10-27 04:47:22,990 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 04:47:22,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-10-27 04:47:22,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-10-27 04:47:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-10-27 04:47:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 87 transitions. [2018-10-27 04:47:22,992 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 87 transitions. Word has length 82 [2018-10-27 04:47:22,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:22,992 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 87 transitions. [2018-10-27 04:47:22,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 87 transitions. [2018-10-27 04:47:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-27 04:47:22,993 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:22,993 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 04:47:22,994 INFO L424 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.initErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.initErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr77ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr74ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr79ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr80ENSURES_VIOLATIONMEMORY_LEAK, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr76ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr75ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr65ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr78ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:22,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:22,994 INFO L82 PathProgramCache]: Analyzing trace with hash 704878297, now seen corresponding path program 1 times [2018-10-27 04:47:22,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:22,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:22,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:22,995 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:23,331 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-27 04:47:23,347 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 04:47:23,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:23,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:23,348 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:23,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:23,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:23,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:23,348 INFO L87 Difference]: Start difference. First operand 88 states and 87 transitions. Second operand 5 states. [2018-10-27 04:47:24,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:24,136 INFO L93 Difference]: Finished difference Result 86 states and 85 transitions. [2018-10-27 04:47:24,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:24,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-10-27 04:47:24,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:24,139 INFO L225 Difference]: With dead ends: 86 [2018-10-27 04:47:24,139 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 04:47:24,139 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 04:47:24,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 04:47:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 04:47:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 04:47:24,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2018-10-27 04:47:24,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:24,140 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 04:47:24,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 04:47:24,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 04:47:24,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:47:24 BoogieIcfgContainer [2018-10-27 04:47:24,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:47:24,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:47:24,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:47:24,155 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:47:24,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:05" (3/4) ... [2018-10-27 04:47:24,159 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 04:47:24,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 04:47:24,171 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 04:47:24,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 282 nodes and edges [2018-10-27 04:47:24,188 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 175 nodes and edges [2018-10-27 04:47:24,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2018-10-27 04:47:24,189 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 04:47:24,349 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8da3e727-27d6-4823-95be-29b8767a6cc0/bin-2019/utaipan/witness.graphml [2018-10-27 04:47:24,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:47:24,352 INFO L168 Benchmark]: Toolchain (without parser) took 21668.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.2 MB). Free memory was 959.3 MB in the beginning and 987.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 234.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,352 INFO L168 Benchmark]: CDTParser took 0.18 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 04:47:24,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,353 INFO L168 Benchmark]: Boogie Preprocessor took 176.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,353 INFO L168 Benchmark]: RCFGBuilder took 2190.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,353 INFO L168 Benchmark]: TraceAbstraction took 18760.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -11.6 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,354 INFO L168 Benchmark]: Witness Printer took 195.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 987.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:24,361 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 945.8 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 72.51 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 940.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 176.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 940.5 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2190.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 144.3 MB). Peak memory consumption was 144.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18760.50 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -11.6 MB). Peak memory consumption was 92.3 MB. Max. memory is 11.5 GB. * Witness Printer took 195.86 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 987.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 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: 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 - 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, 18.6s OverallTime, 29 OverallIterations, 1 TraceHistogramMax, 10.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1648 SDtfs, 2569 SDslu, 1547 SDs, 0 SdLazy, 5338 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 5.7s 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1198 NumberOfCodeBlocks, 1198 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 1169 ConstructedInterpolants, 0 QuantifiedInterpolants, 671869 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...