./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/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 31de2fb67e84e52bb7705ac8720e6b139fef2d91 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:39:58,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:39:58,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:39:58,031 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:39:58,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:39:58,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:39:58,032 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:39:58,034 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:39:58,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:39:58,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:39:58,036 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:39:58,036 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:39:58,037 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:39:58,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:39:58,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:39:58,039 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:39:58,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:39:58,041 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:39:58,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:39:58,044 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:39:58,045 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:39:58,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:39:58,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:39:58,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:39:58,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:39:58,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:39:58,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:39:58,050 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:39:58,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:39:58,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:39:58,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:39:58,052 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:39:58,052 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:39:58,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:39:58,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:39:58,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:39:58,053 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-10 12:39:58,064 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:39:58,064 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:39:58,065 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:39:58,065 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:39:58,065 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:39:58,065 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:39:58,065 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:39:58,065 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:39:58,066 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:39:58,066 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:39:58,066 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:39:58,066 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:39:58,067 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:39:58,067 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:39:58,067 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:39:58,067 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:39:58,067 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:39:58,067 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:39:58,068 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:39:58,069 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:39:58,069 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:39:58,069 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:39:58,070 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:39:58,070 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:39:58,070 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_cb59840f-45e1-4351-a412-c638468998b4/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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2018-11-10 12:39:58,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:39:58,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:39:58,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:39:58,103 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:39:58,103 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:39:58,104 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i [2018-11-10 12:39:58,142 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/data/a3e1fe516/9dd43204adac45518e1a9343fa975ed0/FLAG6eea0a4b0 [2018-11-10 12:39:58,574 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:39:58,574 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i [2018-11-10 12:39:58,580 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/data/a3e1fe516/9dd43204adac45518e1a9343fa975ed0/FLAG6eea0a4b0 [2018-11-10 12:39:58,589 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/data/a3e1fe516/9dd43204adac45518e1a9343fa975ed0 [2018-11-10 12:39:58,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:39:58,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:39:58,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:39:58,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:39:58,597 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:39:58,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecb044b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58, skipping insertion in model container [2018-11-10 12:39:58,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:39:58,635 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:39:58,815 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:39:58,819 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:39:58,852 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:39:58,881 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:39:58,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58 WrapperNode [2018-11-10 12:39:58,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:39:58,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:39:58,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:39:58,883 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:39:58,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:39:58,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:39:58,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:39:58,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:39:58,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:58,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:59,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:59,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... [2018-11-10 12:39:59,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:39:59,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:39:59,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:39:59,010 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:39:59,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:39:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:39:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:39:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:39:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:39:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:39:59,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:39:59,556 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:39:59,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:59 BoogieIcfgContainer [2018-11-10 12:39:59,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:39:59,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:39:59,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:39:59,562 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:39:59,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:39:58" (1/3) ... [2018-11-10 12:39:59,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fcfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:39:59, skipping insertion in model container [2018-11-10 12:39:59,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:39:58" (2/3) ... [2018-11-10 12:39:59,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544fcfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:39:59, skipping insertion in model container [2018-11-10 12:39:59,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:59" (3/3) ... [2018-11-10 12:39:59,565 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-01_false-unreach-call_false-valid-deref.i [2018-11-10 12:39:59,571 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:39:59,577 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-11-10 12:39:59,587 INFO L257 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2018-11-10 12:39:59,606 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:39:59,606 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 12:39:59,606 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:39:59,606 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:39:59,606 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:39:59,607 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:39:59,607 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:39:59,607 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:39:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2018-11-10 12:39:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 12:39:59,629 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:39:59,630 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:39:59,632 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:39:59,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:39:59,638 INFO L82 PathProgramCache]: Analyzing trace with hash -532186640, now seen corresponding path program 1 times [2018-11-10 12:39:59,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:39:59,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:59,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:39:59,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:39:59,676 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:39:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:39:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:39:59,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:39:59,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:39:59,758 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:39:59,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:39:59,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:39:59,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:39:59,776 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 3 states. [2018-11-10 12:40:00,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:00,025 INFO L93 Difference]: Finished difference Result 242 states and 254 transitions. [2018-11-10 12:40:00,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:40:00,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 12:40:00,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:00,033 INFO L225 Difference]: With dead ends: 242 [2018-11-10 12:40:00,033 INFO L226 Difference]: Without dead ends: 238 [2018-11-10 12:40:00,034 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:40:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-10 12:40:00,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 198. [2018-11-10 12:40:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-10 12:40:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 208 transitions. [2018-11-10 12:40:00,065 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 208 transitions. Word has length 7 [2018-11-10 12:40:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:00,065 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 208 transitions. [2018-11-10 12:40:00,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:40:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 208 transitions. [2018-11-10 12:40:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:40:00,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:00,066 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:00,067 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:00,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:00,068 INFO L82 PathProgramCache]: Analyzing trace with hash 682083383, now seen corresponding path program 1 times [2018-11-10 12:40:00,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:00,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:00,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,069 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:00,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:00,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:40:00,124 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:00,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:40:00,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:40:00,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:40:00,126 INFO L87 Difference]: Start difference. First operand 198 states and 208 transitions. Second operand 3 states. [2018-11-10 12:40:00,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:00,242 INFO L93 Difference]: Finished difference Result 197 states and 207 transitions. [2018-11-10 12:40:00,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:40:00,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 12:40:00,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:00,244 INFO L225 Difference]: With dead ends: 197 [2018-11-10 12:40:00,244 INFO L226 Difference]: Without dead ends: 197 [2018-11-10 12:40:00,245 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:40:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-11-10 12:40:00,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-11-10 12:40:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-10 12:40:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2018-11-10 12:40:00,255 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 8 [2018-11-10 12:40:00,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:00,255 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2018-11-10 12:40:00,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:40:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2018-11-10 12:40:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:40:00,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:00,256 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:00,257 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:00,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:00,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1101476028, now seen corresponding path program 1 times [2018-11-10 12:40:00,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:00,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:00,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:00,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:00,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:00,330 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:00,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:00,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:00,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:00,331 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 6 states. [2018-11-10 12:40:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:00,589 INFO L93 Difference]: Finished difference Result 346 states and 364 transitions. [2018-11-10 12:40:00,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:00,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2018-11-10 12:40:00,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:00,592 INFO L225 Difference]: With dead ends: 346 [2018-11-10 12:40:00,592 INFO L226 Difference]: Without dead ends: 346 [2018-11-10 12:40:00,593 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-11-10 12:40:00,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 205. [2018-11-10 12:40:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-10 12:40:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 222 transitions. [2018-11-10 12:40:00,604 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 222 transitions. Word has length 14 [2018-11-10 12:40:00,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:00,604 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 222 transitions. [2018-11-10 12:40:00,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 222 transitions. [2018-11-10 12:40:00,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 12:40:00,605 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:00,605 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:00,606 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:00,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:00,606 INFO L82 PathProgramCache]: Analyzing trace with hash 213981571, now seen corresponding path program 1 times [2018-11-10 12:40:00,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:00,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:00,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,608 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:00,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:00,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:00,685 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:00,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:00,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:00,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:00,686 INFO L87 Difference]: Start difference. First operand 205 states and 222 transitions. Second operand 6 states. [2018-11-10 12:40:00,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:00,942 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2018-11-10 12:40:00,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:00,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-10 12:40:00,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:00,944 INFO L225 Difference]: With dead ends: 375 [2018-11-10 12:40:00,945 INFO L226 Difference]: Without dead ends: 375 [2018-11-10 12:40:00,945 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-10 12:40:00,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 203. [2018-11-10 12:40:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-11-10 12:40:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 220 transitions. [2018-11-10 12:40:00,954 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 220 transitions. Word has length 15 [2018-11-10 12:40:00,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:00,954 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 220 transitions. [2018-11-10 12:40:00,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:00,954 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 220 transitions. [2018-11-10 12:40:00,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:40:00,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:00,955 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:00,956 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:00,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:00,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1956505818, now seen corresponding path program 1 times [2018-11-10 12:40:00,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:00,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:00,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:00,958 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:00,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:00,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:00,984 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:00,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:00,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:00,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:00,985 INFO L87 Difference]: Start difference. First operand 203 states and 220 transitions. Second operand 5 states. [2018-11-10 12:40:01,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:01,178 INFO L93 Difference]: Finished difference Result 314 states and 337 transitions. [2018-11-10 12:40:01,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:01,178 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-10 12:40:01,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:01,179 INFO L225 Difference]: With dead ends: 314 [2018-11-10 12:40:01,179 INFO L226 Difference]: Without dead ends: 314 [2018-11-10 12:40:01,179 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:01,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-11-10 12:40:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 257. [2018-11-10 12:40:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-11-10 12:40:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 297 transitions. [2018-11-10 12:40:01,187 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 297 transitions. Word has length 16 [2018-11-10 12:40:01,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:01,187 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 297 transitions. [2018-11-10 12:40:01,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 297 transitions. [2018-11-10 12:40:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 12:40:01,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:01,188 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:01,189 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:01,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:01,189 INFO L82 PathProgramCache]: Analyzing trace with hash -522138139, now seen corresponding path program 1 times [2018-11-10 12:40:01,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:01,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:01,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,190 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:01,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:01,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:01,245 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:01,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:01,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:01,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:01,246 INFO L87 Difference]: Start difference. First operand 257 states and 297 transitions. Second operand 6 states. [2018-11-10 12:40:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:01,424 INFO L93 Difference]: Finished difference Result 337 states and 361 transitions. [2018-11-10 12:40:01,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:01,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-10 12:40:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:01,426 INFO L225 Difference]: With dead ends: 337 [2018-11-10 12:40:01,426 INFO L226 Difference]: Without dead ends: 337 [2018-11-10 12:40:01,426 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:01,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-11-10 12:40:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 256. [2018-11-10 12:40:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-10 12:40:01,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 296 transitions. [2018-11-10 12:40:01,430 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 296 transitions. Word has length 17 [2018-11-10 12:40:01,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:01,431 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 296 transitions. [2018-11-10 12:40:01,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 296 transitions. [2018-11-10 12:40:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:40:01,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:01,431 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:01,432 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:01,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:01,433 INFO L82 PathProgramCache]: Analyzing trace with hash 993586952, now seen corresponding path program 1 times [2018-11-10 12:40:01,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:01,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:01,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,434 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:01,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:01,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:01,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:01,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:01,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:01,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:01,473 INFO L87 Difference]: Start difference. First operand 256 states and 296 transitions. Second operand 5 states. [2018-11-10 12:40:01,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:01,695 INFO L93 Difference]: Finished difference Result 284 states and 318 transitions. [2018-11-10 12:40:01,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:01,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-10 12:40:01,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:01,696 INFO L225 Difference]: With dead ends: 284 [2018-11-10 12:40:01,696 INFO L226 Difference]: Without dead ends: 284 [2018-11-10 12:40:01,696 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-11-10 12:40:01,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 255. [2018-11-10 12:40:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-11-10 12:40:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 295 transitions. [2018-11-10 12:40:01,701 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 295 transitions. Word has length 18 [2018-11-10 12:40:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:01,701 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 295 transitions. [2018-11-10 12:40:01,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 295 transitions. [2018-11-10 12:40:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:40:01,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:01,702 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:01,703 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:01,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:01,704 INFO L82 PathProgramCache]: Analyzing trace with hash 816110048, now seen corresponding path program 1 times [2018-11-10 12:40:01,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:01,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:01,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:01,705 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:01,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:01,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:01,770 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:01,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:01,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:01,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:01,770 INFO L87 Difference]: Start difference. First operand 255 states and 295 transitions. Second operand 6 states. [2018-11-10 12:40:02,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:02,028 INFO L93 Difference]: Finished difference Result 359 states and 385 transitions. [2018-11-10 12:40:02,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:02,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-10 12:40:02,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:02,029 INFO L225 Difference]: With dead ends: 359 [2018-11-10 12:40:02,030 INFO L226 Difference]: Without dead ends: 359 [2018-11-10 12:40:02,030 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:40:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-11-10 12:40:02,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 252. [2018-11-10 12:40:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-10 12:40:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 288 transitions. [2018-11-10 12:40:02,035 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 288 transitions. Word has length 18 [2018-11-10 12:40:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:02,035 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 288 transitions. [2018-11-10 12:40:02,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 288 transitions. [2018-11-10 12:40:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 12:40:02,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:02,036 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:02,037 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:02,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:02,037 INFO L82 PathProgramCache]: Analyzing trace with hash 736424519, now seen corresponding path program 1 times [2018-11-10 12:40:02,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:02,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:02,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,039 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:02,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:02,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:02,099 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:02,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:02,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:02,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:02,100 INFO L87 Difference]: Start difference. First operand 252 states and 288 transitions. Second operand 5 states. [2018-11-10 12:40:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:02,296 INFO L93 Difference]: Finished difference Result 251 states and 287 transitions. [2018-11-10 12:40:02,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:02,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-11-10 12:40:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:02,297 INFO L225 Difference]: With dead ends: 251 [2018-11-10 12:40:02,297 INFO L226 Difference]: Without dead ends: 251 [2018-11-10 12:40:02,297 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-11-10 12:40:02,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-11-10 12:40:02,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-11-10 12:40:02,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 287 transitions. [2018-11-10 12:40:02,301 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 287 transitions. Word has length 19 [2018-11-10 12:40:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:02,301 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 287 transitions. [2018-11-10 12:40:02,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 287 transitions. [2018-11-10 12:40:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:40:02,302 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:02,302 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] [2018-11-10 12:40:02,303 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:02,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:02,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1354323690, now seen corresponding path program 1 times [2018-11-10 12:40:02,303 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:02,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:02,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,304 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:02,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:02,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:02,332 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:02,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:02,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:02,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:02,333 INFO L87 Difference]: Start difference. First operand 251 states and 287 transitions. Second operand 6 states. [2018-11-10 12:40:02,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:02,521 INFO L93 Difference]: Finished difference Result 325 states and 343 transitions. [2018-11-10 12:40:02,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:40:02,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-10 12:40:02,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:02,523 INFO L225 Difference]: With dead ends: 325 [2018-11-10 12:40:02,523 INFO L226 Difference]: Without dead ends: 325 [2018-11-10 12:40:02,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:40:02,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-11-10 12:40:02,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 193. [2018-11-10 12:40:02,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-10 12:40:02,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 207 transitions. [2018-11-10 12:40:02,528 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 207 transitions. Word has length 20 [2018-11-10 12:40:02,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:02,528 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 207 transitions. [2018-11-10 12:40:02,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:02,528 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 207 transitions. [2018-11-10 12:40:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:40:02,529 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:02,529 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:02,532 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:02,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:02,532 INFO L82 PathProgramCache]: Analyzing trace with hash 129978060, now seen corresponding path program 1 times [2018-11-10 12:40:02,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:02,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:02,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:02,534 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:02,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:02,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 12:40:02,649 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:02,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 12:40:02,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 12:40:02,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:40:02,649 INFO L87 Difference]: Start difference. First operand 193 states and 207 transitions. Second operand 11 states. [2018-11-10 12:40:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:03,174 INFO L93 Difference]: Finished difference Result 459 states and 484 transitions. [2018-11-10 12:40:03,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 12:40:03,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-11-10 12:40:03,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:03,177 INFO L225 Difference]: With dead ends: 459 [2018-11-10 12:40:03,177 INFO L226 Difference]: Without dead ends: 459 [2018-11-10 12:40:03,177 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-11-10 12:40:03,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-11-10 12:40:03,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 192. [2018-11-10 12:40:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-11-10 12:40:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 206 transitions. [2018-11-10 12:40:03,180 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 206 transitions. Word has length 22 [2018-11-10 12:40:03,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:03,180 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 206 transitions. [2018-11-10 12:40:03,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 12:40:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 206 transitions. [2018-11-10 12:40:03,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:40:03,181 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:03,181 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] [2018-11-10 12:40:03,185 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:03,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:03,185 INFO L82 PathProgramCache]: Analyzing trace with hash -265647349, now seen corresponding path program 1 times [2018-11-10 12:40:03,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:03,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:03,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:03,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:03,186 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:03,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:03,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:40:03,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:03,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 12:40:03,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 12:40:03,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:40:03,293 INFO L87 Difference]: Start difference. First operand 192 states and 206 transitions. Second operand 10 states. [2018-11-10 12:40:03,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:03,917 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2018-11-10 12:40:03,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 12:40:03,917 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-10 12:40:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:03,918 INFO L225 Difference]: With dead ends: 449 [2018-11-10 12:40:03,918 INFO L226 Difference]: Without dead ends: 449 [2018-11-10 12:40:03,919 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:40:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-11-10 12:40:03,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 191. [2018-11-10 12:40:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-10 12:40:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 205 transitions. [2018-11-10 12:40:03,923 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 205 transitions. Word has length 23 [2018-11-10 12:40:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:03,923 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 205 transitions. [2018-11-10 12:40:03,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 12:40:03,923 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 205 transitions. [2018-11-10 12:40:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:40:03,923 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:03,924 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] [2018-11-10 12:40:03,924 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:03,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:03,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1394302934, now seen corresponding path program 1 times [2018-11-10 12:40:03,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:03,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:03,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:03,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:03,928 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:03,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:03,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:03,967 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:03,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:40:03,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:40:03,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:03,967 INFO L87 Difference]: Start difference. First operand 191 states and 205 transitions. Second operand 7 states. [2018-11-10 12:40:04,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:04,272 INFO L93 Difference]: Finished difference Result 435 states and 462 transitions. [2018-11-10 12:40:04,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:40:04,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-10 12:40:04,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:04,274 INFO L225 Difference]: With dead ends: 435 [2018-11-10 12:40:04,274 INFO L226 Difference]: Without dead ends: 435 [2018-11-10 12:40:04,274 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:40:04,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2018-11-10 12:40:04,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 195. [2018-11-10 12:40:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-11-10 12:40:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 210 transitions. [2018-11-10 12:40:04,277 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 210 transitions. Word has length 26 [2018-11-10 12:40:04,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:04,277 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 210 transitions. [2018-11-10 12:40:04,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:40:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 210 transitions. [2018-11-10 12:40:04,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-10 12:40:04,278 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:04,278 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:04,278 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:04,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:04,279 INFO L82 PathProgramCache]: Analyzing trace with hash 273718129, now seen corresponding path program 1 times [2018-11-10 12:40:04,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:04,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:04,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,280 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:04,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:04,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:04,334 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:04,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:40:04,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:40:04,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:04,335 INFO L87 Difference]: Start difference. First operand 195 states and 210 transitions. Second operand 7 states. [2018-11-10 12:40:04,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:04,671 INFO L93 Difference]: Finished difference Result 431 states and 458 transitions. [2018-11-10 12:40:04,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:40:04,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-10 12:40:04,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:04,673 INFO L225 Difference]: With dead ends: 431 [2018-11-10 12:40:04,673 INFO L226 Difference]: Without dead ends: 431 [2018-11-10 12:40:04,673 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:40:04,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-10 12:40:04,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 268. [2018-11-10 12:40:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-11-10 12:40:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 310 transitions. [2018-11-10 12:40:04,678 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 310 transitions. Word has length 27 [2018-11-10 12:40:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:04,679 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 310 transitions. [2018-11-10 12:40:04,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:40:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 310 transitions. [2018-11-10 12:40:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:40:04,679 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:04,683 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] [2018-11-10 12:40:04,684 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:04,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:04,684 INFO L82 PathProgramCache]: Analyzing trace with hash -104672456, now seen corresponding path program 1 times [2018-11-10 12:40:04,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:04,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:04,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,686 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:04,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:04,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:04,722 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:04,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:04,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:04,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:04,722 INFO L87 Difference]: Start difference. First operand 268 states and 310 transitions. Second operand 5 states. [2018-11-10 12:40:04,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:04,855 INFO L93 Difference]: Finished difference Result 283 states and 326 transitions. [2018-11-10 12:40:04,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:40:04,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-11-10 12:40:04,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:04,856 INFO L225 Difference]: With dead ends: 283 [2018-11-10 12:40:04,856 INFO L226 Difference]: Without dead ends: 283 [2018-11-10 12:40:04,857 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:04,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-11-10 12:40:04,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 276. [2018-11-10 12:40:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-11-10 12:40:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 322 transitions. [2018-11-10 12:40:04,860 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 322 transitions. Word has length 28 [2018-11-10 12:40:04,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:04,860 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 322 transitions. [2018-11-10 12:40:04,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 322 transitions. [2018-11-10 12:40:04,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 12:40:04,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:04,861 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] [2018-11-10 12:40:04,861 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:04,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:04,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1050121299, now seen corresponding path program 1 times [2018-11-10 12:40:04,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:04,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:04,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:04,862 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:04,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:04,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:04,915 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:04,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:04,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:04,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:04,916 INFO L87 Difference]: Start difference. First operand 276 states and 322 transitions. Second operand 6 states. [2018-11-10 12:40:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:05,063 INFO L93 Difference]: Finished difference Result 401 states and 467 transitions. [2018-11-10 12:40:05,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:40:05,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2018-11-10 12:40:05,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:05,065 INFO L225 Difference]: With dead ends: 401 [2018-11-10 12:40:05,065 INFO L226 Difference]: Without dead ends: 401 [2018-11-10 12:40:05,066 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:40:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-10 12:40:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 225. [2018-11-10 12:40:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-10 12:40:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 251 transitions. [2018-11-10 12:40:05,070 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 251 transitions. Word has length 29 [2018-11-10 12:40:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:05,070 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 251 transitions. [2018-11-10 12:40:05,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 251 transitions. [2018-11-10 12:40:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 12:40:05,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:05,071 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:05,071 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:05,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:05,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1805977958, now seen corresponding path program 1 times [2018-11-10 12:40:05,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:05,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,073 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:05,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:05,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:05,106 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:05,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:05,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:05,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:05,106 INFO L87 Difference]: Start difference. First operand 225 states and 251 transitions. Second operand 5 states. [2018-11-10 12:40:05,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:05,325 INFO L93 Difference]: Finished difference Result 234 states and 252 transitions. [2018-11-10 12:40:05,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:05,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2018-11-10 12:40:05,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:05,326 INFO L225 Difference]: With dead ends: 234 [2018-11-10 12:40:05,326 INFO L226 Difference]: Without dead ends: 234 [2018-11-10 12:40:05,327 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:05,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-10 12:40:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 224. [2018-11-10 12:40:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-10 12:40:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 250 transitions. [2018-11-10 12:40:05,329 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 250 transitions. Word has length 30 [2018-11-10 12:40:05,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:05,330 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 250 transitions. [2018-11-10 12:40:05,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:05,330 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 250 transitions. [2018-11-10 12:40:05,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 12:40:05,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:05,330 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] [2018-11-10 12:40:05,331 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:05,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:05,331 INFO L82 PathProgramCache]: Analyzing trace with hash -150741707, now seen corresponding path program 1 times [2018-11-10 12:40:05,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:05,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:05,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:05,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:05,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:05,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:05,381 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:05,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:05,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:05,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:05,381 INFO L87 Difference]: Start difference. First operand 224 states and 250 transitions. Second operand 5 states. [2018-11-10 12:40:05,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:05,524 INFO L93 Difference]: Finished difference Result 223 states and 249 transitions. [2018-11-10 12:40:05,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:05,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-11-10 12:40:05,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:05,525 INFO L225 Difference]: With dead ends: 223 [2018-11-10 12:40:05,525 INFO L226 Difference]: Without dead ends: 223 [2018-11-10 12:40:05,525 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:05,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-10 12:40:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-11-10 12:40:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-10 12:40:05,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2018-11-10 12:40:05,528 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 31 [2018-11-10 12:40:05,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:05,528 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2018-11-10 12:40:05,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2018-11-10 12:40:05,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 12:40:05,529 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:05,529 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:05,530 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:05,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:05,530 INFO L82 PathProgramCache]: Analyzing trace with hash -789124266, now seen corresponding path program 1 times [2018-11-10 12:40:05,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:05,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:05,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,531 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:05,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:05,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:05,564 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:05,564 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:40:05,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:40:05,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:05,564 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand 7 states. [2018-11-10 12:40:05,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:05,806 INFO L93 Difference]: Finished difference Result 436 states and 469 transitions. [2018-11-10 12:40:05,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-10 12:40:05,806 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-11-10 12:40:05,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:05,807 INFO L225 Difference]: With dead ends: 436 [2018-11-10 12:40:05,807 INFO L226 Difference]: Without dead ends: 436 [2018-11-10 12:40:05,808 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:40:05,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-11-10 12:40:05,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 254. [2018-11-10 12:40:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-10 12:40:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 293 transitions. [2018-11-10 12:40:05,812 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 293 transitions. Word has length 32 [2018-11-10 12:40:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:05,812 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 293 transitions. [2018-11-10 12:40:05,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:40:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 293 transitions. [2018-11-10 12:40:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:40:05,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:05,813 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] [2018-11-10 12:40:05,813 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:05,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:05,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1306951805, now seen corresponding path program 1 times [2018-11-10 12:40:05,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:05,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:05,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:05,819 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:05,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:05,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:05,883 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:05,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:05,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:05,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:05,883 INFO L87 Difference]: Start difference. First operand 254 states and 293 transitions. Second operand 5 states. [2018-11-10 12:40:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:06,090 INFO L93 Difference]: Finished difference Result 307 states and 331 transitions. [2018-11-10 12:40:06,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:06,090 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-11-10 12:40:06,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:06,091 INFO L225 Difference]: With dead ends: 307 [2018-11-10 12:40:06,091 INFO L226 Difference]: Without dead ends: 307 [2018-11-10 12:40:06,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:06,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-11-10 12:40:06,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 254. [2018-11-10 12:40:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-10 12:40:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 292 transitions. [2018-11-10 12:40:06,094 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 292 transitions. Word has length 33 [2018-11-10 12:40:06,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:06,094 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 292 transitions. [2018-11-10 12:40:06,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 292 transitions. [2018-11-10 12:40:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 12:40:06,095 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:06,095 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] [2018-11-10 12:40:06,095 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:06,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:06,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1852187200, now seen corresponding path program 1 times [2018-11-10 12:40:06,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:06,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:06,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,097 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:06,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:06,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:06,113 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:06,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:40:06,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:40:06,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:40:06,114 INFO L87 Difference]: Start difference. First operand 254 states and 292 transitions. Second operand 4 states. [2018-11-10 12:40:06,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:06,158 INFO L93 Difference]: Finished difference Result 274 states and 295 transitions. [2018-11-10 12:40:06,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:40:06,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-11-10 12:40:06,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:06,159 INFO L225 Difference]: With dead ends: 274 [2018-11-10 12:40:06,159 INFO L226 Difference]: Without dead ends: 274 [2018-11-10 12:40:06,159 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:06,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-11-10 12:40:06,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 254. [2018-11-10 12:40:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-11-10 12:40:06,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 290 transitions. [2018-11-10 12:40:06,162 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 290 transitions. Word has length 35 [2018-11-10 12:40:06,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:06,162 INFO L481 AbstractCegarLoop]: Abstraction has 254 states and 290 transitions. [2018-11-10 12:40:06,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:40:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 290 transitions. [2018-11-10 12:40:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:40:06,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:06,162 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] [2018-11-10 12:40:06,163 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:06,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:06,163 INFO L82 PathProgramCache]: Analyzing trace with hash -466147890, now seen corresponding path program 1 times [2018-11-10 12:40:06,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:06,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:06,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,164 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:06,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:06,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:06,204 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:06,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:06,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:06,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:06,205 INFO L87 Difference]: Start difference. First operand 254 states and 290 transitions. Second operand 5 states. [2018-11-10 12:40:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:06,382 INFO L93 Difference]: Finished difference Result 299 states and 320 transitions. [2018-11-10 12:40:06,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:06,382 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2018-11-10 12:40:06,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:06,383 INFO L225 Difference]: With dead ends: 299 [2018-11-10 12:40:06,383 INFO L226 Difference]: Without dead ends: 299 [2018-11-10 12:40:06,383 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:06,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-11-10 12:40:06,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 255. [2018-11-10 12:40:06,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-11-10 12:40:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 289 transitions. [2018-11-10 12:40:06,387 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 289 transitions. Word has length 41 [2018-11-10 12:40:06,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:06,387 INFO L481 AbstractCegarLoop]: Abstraction has 255 states and 289 transitions. [2018-11-10 12:40:06,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 289 transitions. [2018-11-10 12:40:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 12:40:06,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:06,387 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] [2018-11-10 12:40:06,388 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:06,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:06,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1145584081, now seen corresponding path program 1 times [2018-11-10 12:40:06,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:06,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:06,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,389 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:06,440 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:06,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:06,440 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:06,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:06,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:06,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:06,441 INFO L87 Difference]: Start difference. First operand 255 states and 289 transitions. Second operand 6 states. [2018-11-10 12:40:06,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:06,622 INFO L93 Difference]: Finished difference Result 387 states and 438 transitions. [2018-11-10 12:40:06,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 12:40:06,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2018-11-10 12:40:06,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:06,623 INFO L225 Difference]: With dead ends: 387 [2018-11-10 12:40:06,623 INFO L226 Difference]: Without dead ends: 387 [2018-11-10 12:40:06,623 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:40:06,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-10 12:40:06,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 259. [2018-11-10 12:40:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-10 12:40:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 293 transitions. [2018-11-10 12:40:06,626 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 293 transitions. Word has length 41 [2018-11-10 12:40:06,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:06,626 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 293 transitions. [2018-11-10 12:40:06,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 293 transitions. [2018-11-10 12:40:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:40:06,627 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:06,627 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] [2018-11-10 12:40:06,627 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:06,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:06,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1065637619, now seen corresponding path program 1 times [2018-11-10 12:40:06,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:06,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:06,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:06,629 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:06,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:06,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 12:40:06,744 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:06,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:40:06,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:40:06,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:40:06,745 INFO L87 Difference]: Start difference. First operand 259 states and 293 transitions. Second operand 9 states. [2018-11-10 12:40:07,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:07,162 INFO L93 Difference]: Finished difference Result 376 states and 409 transitions. [2018-11-10 12:40:07,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 12:40:07,162 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-11-10 12:40:07,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:07,163 INFO L225 Difference]: With dead ends: 376 [2018-11-10 12:40:07,163 INFO L226 Difference]: Without dead ends: 376 [2018-11-10 12:40:07,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-11-10 12:40:07,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-11-10 12:40:07,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 277. [2018-11-10 12:40:07,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-11-10 12:40:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 312 transitions. [2018-11-10 12:40:07,166 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 312 transitions. Word has length 43 [2018-11-10 12:40:07,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:07,166 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 312 transitions. [2018-11-10 12:40:07,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:40:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 312 transitions. [2018-11-10 12:40:07,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 12:40:07,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:07,167 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:07,167 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:07,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:07,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1099342225, now seen corresponding path program 1 times [2018-11-10 12:40:07,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:07,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:07,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,169 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:07,232 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:07,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:07,232 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:07,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 12:40:07,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 12:40:07,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 12:40:07,233 INFO L87 Difference]: Start difference. First operand 277 states and 312 transitions. Second operand 7 states. [2018-11-10 12:40:07,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:07,533 INFO L93 Difference]: Finished difference Result 427 states and 484 transitions. [2018-11-10 12:40:07,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:40:07,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2018-11-10 12:40:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:07,534 INFO L225 Difference]: With dead ends: 427 [2018-11-10 12:40:07,534 INFO L226 Difference]: Without dead ends: 427 [2018-11-10 12:40:07,534 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-11-10 12:40:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-10 12:40:07,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2018-11-10 12:40:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-11-10 12:40:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 310 transitions. [2018-11-10 12:40:07,537 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 310 transitions. Word has length 43 [2018-11-10 12:40:07,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:07,537 INFO L481 AbstractCegarLoop]: Abstraction has 275 states and 310 transitions. [2018-11-10 12:40:07,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 12:40:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 310 transitions. [2018-11-10 12:40:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:40:07,538 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:07,538 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:07,538 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:07,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:07,539 INFO L82 PathProgramCache]: Analyzing trace with hash 99808439, now seen corresponding path program 1 times [2018-11-10 12:40:07,539 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:07,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:07,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,540 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:07,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:07,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:40:07,585 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:07,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:40:07,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:40:07,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:40:07,586 INFO L87 Difference]: Start difference. First operand 275 states and 310 transitions. Second operand 4 states. [2018-11-10 12:40:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:07,703 INFO L93 Difference]: Finished difference Result 277 states and 310 transitions. [2018-11-10 12:40:07,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:40:07,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2018-11-10 12:40:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:07,704 INFO L225 Difference]: With dead ends: 277 [2018-11-10 12:40:07,704 INFO L226 Difference]: Without dead ends: 277 [2018-11-10 12:40:07,704 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-11-10 12:40:07,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 274. [2018-11-10 12:40:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-11-10 12:40:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 309 transitions. [2018-11-10 12:40:07,707 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 309 transitions. Word has length 45 [2018-11-10 12:40:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:07,707 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 309 transitions. [2018-11-10 12:40:07,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:40:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 309 transitions. [2018-11-10 12:40:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:40:07,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:07,707 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:07,708 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:07,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1209986265, now seen corresponding path program 1 times [2018-11-10 12:40:07,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:07,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:07,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:07,708 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:07,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:07,782 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:07,783 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 47 with the following transitions: [2018-11-10 12:40:07,784 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [99], [214], [218], [223], [227], [235], [241], [242], [243], [245], [249], [253], [341], [346], [350], [356], [358], [360], [462], [463], [464] [2018-11-10 12:40:07,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:07,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:08,626 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:08,627 INFO L272 AbstractInterpreter]: Visited 44 different actions 62 times. Merged at 13 different actions 18 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 49 variables. [2018-11-10 12:40:08,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:08,632 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:08,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:08,633 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:08,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:08,640 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:08,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:08,721 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:40:08,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:40:08,724 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,742 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:40:08,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:40:08,744 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,746 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,749 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2018-11-10 12:40:08,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-11-10 12:40:08,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-11-10 12:40:08,781 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,784 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 14 [2018-11-10 12:40:08,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2018-11-10 12:40:08,795 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,799 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 12:40:08,803 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:37, output treesize:29 [2018-11-10 12:40:08,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 12:40:08,833 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 12:40:08,834 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,838 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 12:40:08,840 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 12:40:08,840 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,841 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-11-10 12:40:08,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:08,853 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:08,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-10 12:40:08,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-10 12:40:08,958 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,961 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-10 12:40:08,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-10 12:40:08,968 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,970 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,971 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-11-10 12:40:08,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-10 12:40:08,973 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,978 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:08,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 12:40:08,991 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:31, output treesize:13 [2018-11-10 12:40:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:09,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 12:40:09,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 10 [2018-11-10 12:40:09,015 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 12:40:09,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 12:40:09,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 12:40:09,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:40:09,016 INFO L87 Difference]: Start difference. First operand 274 states and 309 transitions. Second operand 9 states. [2018-11-10 12:40:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:09,451 INFO L93 Difference]: Finished difference Result 331 states and 367 transitions. [2018-11-10 12:40:09,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 12:40:09,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-11-10 12:40:09,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:09,453 INFO L225 Difference]: With dead ends: 331 [2018-11-10 12:40:09,453 INFO L226 Difference]: Without dead ends: 331 [2018-11-10 12:40:09,457 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 12 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2018-11-10 12:40:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-11-10 12:40:09,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 282. [2018-11-10 12:40:09,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-10 12:40:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 317 transitions. [2018-11-10 12:40:09,463 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 317 transitions. Word has length 46 [2018-11-10 12:40:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:09,463 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 317 transitions. [2018-11-10 12:40:09,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 12:40:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 317 transitions. [2018-11-10 12:40:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:40:09,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:09,465 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] [2018-11-10 12:40:09,465 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:09,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:09,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1378382393, now seen corresponding path program 1 times [2018-11-10 12:40:09,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:09,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:09,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:09,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:09,467 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:09,519 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:09,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 12:40:09,519 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:09,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:40:09,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:40:09,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:40:09,520 INFO L87 Difference]: Start difference. First operand 282 states and 317 transitions. Second operand 5 states. [2018-11-10 12:40:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:09,748 INFO L93 Difference]: Finished difference Result 281 states and 314 transitions. [2018-11-10 12:40:09,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 12:40:09,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2018-11-10 12:40:09,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:09,750 INFO L225 Difference]: With dead ends: 281 [2018-11-10 12:40:09,750 INFO L226 Difference]: Without dead ends: 281 [2018-11-10 12:40:09,750 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-10 12:40:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-11-10 12:40:09,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 279. [2018-11-10 12:40:09,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-10 12:40:09,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 312 transitions. [2018-11-10 12:40:09,754 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 312 transitions. Word has length 46 [2018-11-10 12:40:09,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:09,755 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 312 transitions. [2018-11-10 12:40:09,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:40:09,755 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 312 transitions. [2018-11-10 12:40:09,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:40:09,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:09,755 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:09,756 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:09,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:09,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1200905489, now seen corresponding path program 1 times [2018-11-10 12:40:09,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:09,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:09,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:09,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:09,757 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:09,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:09,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 12:40:09,874 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:09,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 12:40:09,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 12:40:09,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:40:09,875 INFO L87 Difference]: Start difference. First operand 279 states and 312 transitions. Second operand 11 states. [2018-11-10 12:40:10,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:10,423 INFO L93 Difference]: Finished difference Result 441 states and 484 transitions. [2018-11-10 12:40:10,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 12:40:10,423 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 46 [2018-11-10 12:40:10,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:10,424 INFO L225 Difference]: With dead ends: 441 [2018-11-10 12:40:10,424 INFO L226 Difference]: Without dead ends: 441 [2018-11-10 12:40:10,425 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=430, Unknown=0, NotChecked=0, Total=552 [2018-11-10 12:40:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-10 12:40:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 278. [2018-11-10 12:40:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-10 12:40:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 311 transitions. [2018-11-10 12:40:10,428 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 311 transitions. Word has length 46 [2018-11-10 12:40:10,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:10,429 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 311 transitions. [2018-11-10 12:40:10,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 12:40:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 311 transitions. [2018-11-10 12:40:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 12:40:10,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:10,429 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] [2018-11-10 12:40:10,430 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:10,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:10,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1426635705, now seen corresponding path program 1 times [2018-11-10 12:40:10,430 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:10,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:10,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:10,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:10,431 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:10,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:10,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 12:40:10,586 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:10,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 12:40:10,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 12:40:10,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-10 12:40:10,587 INFO L87 Difference]: Start difference. First operand 278 states and 311 transitions. Second operand 12 states. [2018-11-10 12:40:11,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:11,077 INFO L93 Difference]: Finished difference Result 361 states and 389 transitions. [2018-11-10 12:40:11,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 12:40:11,078 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2018-11-10 12:40:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:11,078 INFO L225 Difference]: With dead ends: 361 [2018-11-10 12:40:11,078 INFO L226 Difference]: Without dead ends: 361 [2018-11-10 12:40:11,079 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2018-11-10 12:40:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-11-10 12:40:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 277. [2018-11-10 12:40:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-11-10 12:40:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 310 transitions. [2018-11-10 12:40:11,081 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 310 transitions. Word has length 47 [2018-11-10 12:40:11,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:11,081 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 310 transitions. [2018-11-10 12:40:11,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 12:40:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 310 transitions. [2018-11-10 12:40:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:40:11,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:11,081 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] [2018-11-10 12:40:11,082 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:11,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:11,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1276034097, now seen corresponding path program 1 times [2018-11-10 12:40:11,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:11,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:11,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:11,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:11,083 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:11,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:11,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:40:11,139 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:11,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:11,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:11,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:11,139 INFO L87 Difference]: Start difference. First operand 277 states and 310 transitions. Second operand 6 states. [2018-11-10 12:40:11,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:11,304 INFO L93 Difference]: Finished difference Result 276 states and 309 transitions. [2018-11-10 12:40:11,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:40:11,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-11-10 12:40:11,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:11,305 INFO L225 Difference]: With dead ends: 276 [2018-11-10 12:40:11,305 INFO L226 Difference]: Without dead ends: 276 [2018-11-10 12:40:11,305 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 12:40:11,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-10 12:40:11,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 261. [2018-11-10 12:40:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-11-10 12:40:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 292 transitions. [2018-11-10 12:40:11,308 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 292 transitions. Word has length 48 [2018-11-10 12:40:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:11,309 INFO L481 AbstractCegarLoop]: Abstraction has 261 states and 292 transitions. [2018-11-10 12:40:11,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 292 transitions. [2018-11-10 12:40:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:40:11,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:11,309 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] [2018-11-10 12:40:11,310 INFO L424 AbstractCegarLoop]: === Iteration 32 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:11,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:11,310 INFO L82 PathProgramCache]: Analyzing trace with hash -301807235, now seen corresponding path program 1 times [2018-11-10 12:40:11,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:11,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:11,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:11,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:11,312 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:11,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:11,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-10 12:40:11,555 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:11,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 12:40:11,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 12:40:11,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-11-10 12:40:11,555 INFO L87 Difference]: Start difference. First operand 261 states and 292 transitions. Second operand 17 states. [2018-11-10 12:40:12,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:12,769 INFO L93 Difference]: Finished difference Result 454 states and 491 transitions. [2018-11-10 12:40:12,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-10 12:40:12,769 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2018-11-10 12:40:12,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:12,770 INFO L225 Difference]: With dead ends: 454 [2018-11-10 12:40:12,770 INFO L226 Difference]: Without dead ends: 454 [2018-11-10 12:40:12,771 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=301, Invalid=1339, Unknown=0, NotChecked=0, Total=1640 [2018-11-10 12:40:12,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-11-10 12:40:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 287. [2018-11-10 12:40:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-11-10 12:40:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 322 transitions. [2018-11-10 12:40:12,775 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 322 transitions. Word has length 49 [2018-11-10 12:40:12,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:12,775 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 322 transitions. [2018-11-10 12:40:12,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 12:40:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 322 transitions. [2018-11-10 12:40:12,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:40:12,776 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:12,776 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:12,776 INFO L424 AbstractCegarLoop]: === Iteration 33 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:12,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:12,776 INFO L82 PathProgramCache]: Analyzing trace with hash -766089378, now seen corresponding path program 1 times [2018-11-10 12:40:12,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:12,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:12,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:12,777 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:13,141 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2018-11-10 12:40:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:13,311 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:13,311 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-10 12:40:13,311 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:13,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-10 12:40:13,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-10 12:40:13,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-11-10 12:40:13,312 INFO L87 Difference]: Start difference. First operand 287 states and 322 transitions. Second operand 17 states. [2018-11-10 12:40:16,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:16,288 INFO L93 Difference]: Finished difference Result 704 states and 766 transitions. [2018-11-10 12:40:16,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-11-10 12:40:16,288 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2018-11-10 12:40:16,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:16,289 INFO L225 Difference]: With dead ends: 704 [2018-11-10 12:40:16,289 INFO L226 Difference]: Without dead ends: 704 [2018-11-10 12:40:16,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=414, Invalid=1478, Unknown=0, NotChecked=0, Total=1892 [2018-11-10 12:40:16,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-11-10 12:40:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 320. [2018-11-10 12:40:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-10 12:40:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 359 transitions. [2018-11-10 12:40:16,293 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 359 transitions. Word has length 50 [2018-11-10 12:40:16,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:16,293 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 359 transitions. [2018-11-10 12:40:16,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-10 12:40:16,293 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 359 transitions. [2018-11-10 12:40:16,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 12:40:16,294 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:16,294 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] [2018-11-10 12:40:16,294 INFO L424 AbstractCegarLoop]: === Iteration 34 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:16,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:16,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2091872909, now seen corresponding path program 1 times [2018-11-10 12:40:16,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:16,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:16,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:16,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:16,295 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:16,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:16,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-11-10 12:40:16,439 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:16,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 12:40:16,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 12:40:16,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:40:16,440 INFO L87 Difference]: Start difference. First operand 320 states and 359 transitions. Second operand 16 states. [2018-11-10 12:40:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:17,186 INFO L93 Difference]: Finished difference Result 493 states and 544 transitions. [2018-11-10 12:40:17,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 12:40:17,186 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 50 [2018-11-10 12:40:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:17,187 INFO L225 Difference]: With dead ends: 493 [2018-11-10 12:40:17,188 INFO L226 Difference]: Without dead ends: 493 [2018-11-10 12:40:17,188 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=871, Unknown=0, NotChecked=0, Total=1056 [2018-11-10 12:40:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-10 12:40:17,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 319. [2018-11-10 12:40:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-10 12:40:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 358 transitions. [2018-11-10 12:40:17,192 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 358 transitions. Word has length 50 [2018-11-10 12:40:17,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:17,192 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 358 transitions. [2018-11-10 12:40:17,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 12:40:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 358 transitions. [2018-11-10 12:40:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 12:40:17,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:17,193 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] [2018-11-10 12:40:17,193 INFO L424 AbstractCegarLoop]: === Iteration 35 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:17,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:17,193 INFO L82 PathProgramCache]: Analyzing trace with hash -423550531, now seen corresponding path program 1 times [2018-11-10 12:40:17,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:17,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:17,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:17,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:17,194 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:17,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:17,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:17,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-10 12:40:17,425 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:17,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-10 12:40:17,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-10 12:40:17,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2018-11-10 12:40:17,426 INFO L87 Difference]: Start difference. First operand 319 states and 358 transitions. Second operand 15 states. [2018-11-10 12:40:18,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:18,471 INFO L93 Difference]: Finished difference Result 568 states and 621 transitions. [2018-11-10 12:40:18,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-10 12:40:18,471 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 51 [2018-11-10 12:40:18,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:18,472 INFO L225 Difference]: With dead ends: 568 [2018-11-10 12:40:18,472 INFO L226 Difference]: Without dead ends: 568 [2018-11-10 12:40:18,473 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=892, Unknown=0, NotChecked=0, Total=1056 [2018-11-10 12:40:18,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-10 12:40:18,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 318. [2018-11-10 12:40:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-10 12:40:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 357 transitions. [2018-11-10 12:40:18,476 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 357 transitions. Word has length 51 [2018-11-10 12:40:18,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:18,477 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 357 transitions. [2018-11-10 12:40:18,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-10 12:40:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 357 transitions. [2018-11-10 12:40:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:40:18,477 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:18,477 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:18,478 INFO L424 AbstractCegarLoop]: === Iteration 36 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:18,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:18,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1425143311, now seen corresponding path program 1 times [2018-11-10 12:40:18,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:18,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:18,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:18,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:18,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:18,741 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:18,741 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:18,741 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-11-10 12:40:18,741 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [37], [39], [41], [43], [45], [47], [49], [51], [53], [55], [57], [61], [63], [65], [68], [80], [84], [90], [94], [96], [99], [214], [218], [223], [227], [235], [241], [242], [243], [245], [249], [253], [341], [346], [350], [356], [358], [360], [462], [463], [464] [2018-11-10 12:40:18,743 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:18,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:19,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:19,168 INFO L272 AbstractInterpreter]: Visited 50 different actions 68 times. Merged at 13 different actions 18 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 55 variables. [2018-11-10 12:40:19,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:19,172 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:19,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:19,172 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:19,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:19,179 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:19,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:19,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-11-10 12:40:19,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-11-10 12:40:19,327 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,332 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-11-10 12:40:19,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-10 12:40:19,353 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,357 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,370 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-11-10 12:40:19,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2018-11-10 12:40:19,374 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,380 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,393 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-11-10 12:40:19,395 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-11-10 12:40:19,396 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,398 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:40:19,404 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:65, output treesize:17 [2018-11-10 12:40:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:19,424 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:19,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 35 [2018-11-10 12:40:19,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-11-10 12:40:19,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2018-11-10 12:40:19,570 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,579 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-11-10 12:40:19,580 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,587 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:40:19,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-11-10 12:40:19,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-10 12:40:19,590 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,594 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-11-10 12:40:19,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-10 12:40:19,604 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,606 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,607 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-11-10 12:40:19,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-11-10 12:40:19,608 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,612 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:19,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:40:19,619 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 2 variables, input treesize:63, output treesize:17 [2018-11-10 12:40:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:19,658 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:40:19,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [11] total 27 [2018-11-10 12:40:19,658 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:19,659 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 12:40:19,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 12:40:19,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2018-11-10 12:40:19,659 INFO L87 Difference]: Start difference. First operand 318 states and 357 transitions. Second operand 10 states. [2018-11-10 12:40:20,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:20,252 INFO L93 Difference]: Finished difference Result 447 states and 486 transitions. [2018-11-10 12:40:20,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 12:40:20,253 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2018-11-10 12:40:20,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:20,253 INFO L225 Difference]: With dead ends: 447 [2018-11-10 12:40:20,253 INFO L226 Difference]: Without dead ends: 447 [2018-11-10 12:40:20,254 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 89 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=1143, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 12:40:20,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-10 12:40:20,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 318. [2018-11-10 12:40:20,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-11-10 12:40:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 356 transitions. [2018-11-10 12:40:20,256 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 356 transitions. Word has length 52 [2018-11-10 12:40:20,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:20,256 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 356 transitions. [2018-11-10 12:40:20,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 12:40:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 356 transitions. [2018-11-10 12:40:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:40:20,257 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:20,257 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] [2018-11-10 12:40:20,257 INFO L424 AbstractCegarLoop]: === Iteration 37 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:20,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:20,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1482431130, now seen corresponding path program 1 times [2018-11-10 12:40:20,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:20,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:20,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:20,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:20,259 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:20,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:20,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-11-10 12:40:20,376 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:20,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-10 12:40:20,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-10 12:40:20,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:40:20,376 INFO L87 Difference]: Start difference. First operand 318 states and 356 transitions. Second operand 14 states. [2018-11-10 12:40:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:20,938 INFO L93 Difference]: Finished difference Result 442 states and 485 transitions. [2018-11-10 12:40:20,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 12:40:20,939 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 52 [2018-11-10 12:40:20,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:20,940 INFO L225 Difference]: With dead ends: 442 [2018-11-10 12:40:20,940 INFO L226 Difference]: Without dead ends: 439 [2018-11-10 12:40:20,940 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2018-11-10 12:40:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-11-10 12:40:20,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 366. [2018-11-10 12:40:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-11-10 12:40:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 433 transitions. [2018-11-10 12:40:20,944 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 433 transitions. Word has length 52 [2018-11-10 12:40:20,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:20,944 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 433 transitions. [2018-11-10 12:40:20,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-10 12:40:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 433 transitions. [2018-11-10 12:40:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:40:20,945 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:20,945 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:20,945 INFO L424 AbstractCegarLoop]: === Iteration 38 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:20,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:20,946 INFO L82 PathProgramCache]: Analyzing trace with hash 178204875, now seen corresponding path program 1 times [2018-11-10 12:40:20,946 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:20,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:20,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:20,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:20,947 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:21,025 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:21,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:21,025 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:21,026 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-11-10 12:40:21,026 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [101], [103], [104], [105], [107], [109], [111], [113], [117], [122], [126], [134], [139], [143], [149], [152], [154], [156], [182], [184], [186], [189], [201], [205], [462], [463], [464] [2018-11-10 12:40:21,028 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:21,028 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:21,447 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:21,447 INFO L272 AbstractInterpreter]: Visited 50 different actions 71 times. Merged at 21 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 52 variables. [2018-11-10 12:40:21,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:21,449 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:21,449 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:21,449 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:21,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:21,463 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:21,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:21,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 12:40:21,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 12:40:21,522 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,524 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-11-10 12:40:21,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-11-10 12:40:21,531 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,542 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,544 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,545 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2018-11-10 12:40:21,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:21,575 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:21,600 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-10 12:40:21,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-11-10 12:40:21,602 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,603 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-11-10 12:40:21,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-11-10 12:40:21,607 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,609 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-11-10 12:40:21,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-11-10 12:40:21,618 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,619 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:21,633 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-11-10 12:40:21,634 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:35, output treesize:15 [2018-11-10 12:40:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:21,653 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:40:21,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 12 [2018-11-10 12:40:21,654 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:21,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:21,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:21,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2018-11-10 12:40:21,654 INFO L87 Difference]: Start difference. First operand 366 states and 433 transitions. Second operand 6 states. [2018-11-10 12:40:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:21,844 INFO L93 Difference]: Finished difference Result 386 states and 454 transitions. [2018-11-10 12:40:21,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:40:21,845 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2018-11-10 12:40:21,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:21,846 INFO L225 Difference]: With dead ends: 386 [2018-11-10 12:40:21,846 INFO L226 Difference]: Without dead ends: 386 [2018-11-10 12:40:21,847 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-11-10 12:40:21,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-11-10 12:40:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 370. [2018-11-10 12:40:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-11-10 12:40:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 437 transitions. [2018-11-10 12:40:21,851 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 437 transitions. Word has length 54 [2018-11-10 12:40:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:21,851 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 437 transitions. [2018-11-10 12:40:21,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 437 transitions. [2018-11-10 12:40:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:40:21,852 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:21,852 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] [2018-11-10 12:40:21,852 INFO L424 AbstractCegarLoop]: === Iteration 39 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:21,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1456524052, now seen corresponding path program 1 times [2018-11-10 12:40:21,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:21,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:21,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:21,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:21,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:22,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:22,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-11-10 12:40:22,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:22,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-10 12:40:22,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-10 12:40:22,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2018-11-10 12:40:22,118 INFO L87 Difference]: Start difference. First operand 370 states and 437 transitions. Second operand 18 states. [2018-11-10 12:40:23,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:23,281 INFO L93 Difference]: Finished difference Result 410 states and 443 transitions. [2018-11-10 12:40:23,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-10 12:40:23,281 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 55 [2018-11-10 12:40:23,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:23,282 INFO L225 Difference]: With dead ends: 410 [2018-11-10 12:40:23,282 INFO L226 Difference]: Without dead ends: 410 [2018-11-10 12:40:23,283 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2018-11-10 12:40:23,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-11-10 12:40:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 370. [2018-11-10 12:40:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-11-10 12:40:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 436 transitions. [2018-11-10 12:40:23,286 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 436 transitions. Word has length 55 [2018-11-10 12:40:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:23,286 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 436 transitions. [2018-11-10 12:40:23,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-10 12:40:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 436 transitions. [2018-11-10 12:40:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:40:23,287 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:23,287 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:23,287 INFO L424 AbstractCegarLoop]: === Iteration 40 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:23,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:23,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1863118440, now seen corresponding path program 1 times [2018-11-10 12:40:23,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:23,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:23,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:23,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:23,289 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:40:23,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:40:23,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:40:23,345 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:23,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:23,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:23,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:40:23,346 INFO L87 Difference]: Start difference. First operand 370 states and 436 transitions. Second operand 6 states. [2018-11-10 12:40:23,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:23,563 INFO L93 Difference]: Finished difference Result 382 states and 448 transitions. [2018-11-10 12:40:23,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 12:40:23,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-10 12:40:23,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:23,565 INFO L225 Difference]: With dead ends: 382 [2018-11-10 12:40:23,565 INFO L226 Difference]: Without dead ends: 382 [2018-11-10 12:40:23,566 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-10 12:40:23,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-10 12:40:23,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 375. [2018-11-10 12:40:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-10 12:40:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 441 transitions. [2018-11-10 12:40:23,570 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 441 transitions. Word has length 55 [2018-11-10 12:40:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:23,570 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 441 transitions. [2018-11-10 12:40:23,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 441 transitions. [2018-11-10 12:40:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 12:40:23,571 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:23,571 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:23,571 INFO L424 AbstractCegarLoop]: === Iteration 41 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:23,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash -317783577, now seen corresponding path program 1 times [2018-11-10 12:40:23,571 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:23,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:23,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:23,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:23,572 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:23,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:23,647 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:23,647 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-11-10 12:40:23,647 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [101], [103], [104], [105], [107], [109], [111], [113], [117], [122], [126], [134], [139], [143], [149], [152], [154], [156], [182], [184], [186], [191], [193], [195], [201], [205], [462], [463], [464] [2018-11-10 12:40:23,651 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:23,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:24,270 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:24,270 INFO L272 AbstractInterpreter]: Visited 52 different actions 73 times. Merged at 21 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 52 variables. [2018-11-10 12:40:24,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:24,277 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:24,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:24,277 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:24,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:24,286 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:24,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:24,407 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:40:24,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-11-10 12:40:24,409 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:24,420 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:40:24,421 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:40:24,422 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-11-10 12:40:24,422 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:24,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:24,429 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:30, output treesize:14 [2018-11-10 12:40:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:24,459 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:28,553 WARN L179 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 25 [2018-11-10 12:40:28,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-11-10 12:40:28,586 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:28,614 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-11-10 12:40:28,615 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-10 12:40:28,617 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2018-11-10 12:40:28,617 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:28,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-11-10 12:40:28,635 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:44, output treesize:47 [2018-11-10 12:40:28,734 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:40:28,735 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:40:28,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 7 [2018-11-10 12:40:28,736 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:28,750 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:40:28,752 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:40:28,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-11-10 12:40:28,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:28,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-11-10 12:40:28,763 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:15 [2018-11-10 12:40:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:28,825 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-10 12:40:28,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [7] total 19 [2018-11-10 12:40:28,826 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:40:28,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 12:40:28,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 12:40:28,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2018-11-10 12:40:28,827 INFO L87 Difference]: Start difference. First operand 375 states and 441 transitions. Second operand 8 states. [2018-11-10 12:40:29,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:29,061 INFO L93 Difference]: Finished difference Result 382 states and 449 transitions. [2018-11-10 12:40:29,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 12:40:29,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2018-11-10 12:40:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:29,062 INFO L225 Difference]: With dead ends: 382 [2018-11-10 12:40:29,062 INFO L226 Difference]: Without dead ends: 382 [2018-11-10 12:40:29,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2018-11-10 12:40:29,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-10 12:40:29,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 374. [2018-11-10 12:40:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2018-11-10 12:40:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 440 transitions. [2018-11-10 12:40:29,065 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 440 transitions. Word has length 56 [2018-11-10 12:40:29,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:29,065 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 440 transitions. [2018-11-10 12:40:29,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 12:40:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 440 transitions. [2018-11-10 12:40:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:40:29,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:29,066 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:29,066 INFO L424 AbstractCegarLoop]: === Iteration 42 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:29,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:29,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1180069866, now seen corresponding path program 1 times [2018-11-10 12:40:29,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:29,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:29,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:29,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:29,067 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:29,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:29,173 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:29,174 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-11-10 12:40:29,174 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [99], [214], [218], [223], [227], [235], [239], [241], [243], [245], [249], [253], [341], [346], [350], [356], [358], [360], [366], [372], [373], [374], [376], [445], [447], [449], [451], [453], [455], [462], [463], [464] [2018-11-10 12:40:29,175 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:29,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:29,941 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:29,941 INFO L272 AbstractInterpreter]: Visited 55 different actions 111 times. Merged at 24 different actions 54 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 56 variables. [2018-11-10 12:40:29,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:29,943 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:29,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:29,943 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:29,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:29,950 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:29,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:30,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:40:30,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:40:30,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,041 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:40:30,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:40:30,045 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,050 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,053 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,053 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:23, output treesize:1 [2018-11-10 12:40:30,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 12:40:30,080 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 12:40:30,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 12:40:30,089 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 12:40:30,089 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,091 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:30,095 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2018-11-10 12:40:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:30,105 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:30,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:30,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 12:40:30,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2018-11-10 12:40:30,229 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 12:40:30,229 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 12:40:30,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 12:40:30,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-10 12:40:30,230 INFO L87 Difference]: Start difference. First operand 374 states and 440 transitions. Second operand 11 states. [2018-11-10 12:40:30,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:30,725 INFO L93 Difference]: Finished difference Result 543 states and 630 transitions. [2018-11-10 12:40:30,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-10 12:40:30,725 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 58 [2018-11-10 12:40:30,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:30,726 INFO L225 Difference]: With dead ends: 543 [2018-11-10 12:40:30,726 INFO L226 Difference]: Without dead ends: 543 [2018-11-10 12:40:30,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 104 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2018-11-10 12:40:30,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-11-10 12:40:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 432. [2018-11-10 12:40:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2018-11-10 12:40:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 517 transitions. [2018-11-10 12:40:30,729 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 517 transitions. Word has length 58 [2018-11-10 12:40:30,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:30,729 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 517 transitions. [2018-11-10 12:40:30,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 12:40:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 517 transitions. [2018-11-10 12:40:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 12:40:30,730 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:30,730 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:30,730 INFO L424 AbstractCegarLoop]: === Iteration 43 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:30,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:30,730 INFO L82 PathProgramCache]: Analyzing trace with hash -447335095, now seen corresponding path program 1 times [2018-11-10 12:40:30,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:30,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:30,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:30,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:30,731 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:30,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:30,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:30,806 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:30,806 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 59 with the following transitions: [2018-11-10 12:40:30,806 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [101], [103], [105], [107], [108], [109], [111], [113], [117], [122], [126], [134], [139], [143], [149], [152], [154], [156], [182], [184], [186], [191], [193], [195], [201], [205], [462], [463], [464] [2018-11-10 12:40:30,808 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:30,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:31,283 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:31,283 INFO L272 AbstractInterpreter]: Visited 52 different actions 73 times. Merged at 21 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 52 variables. [2018-11-10 12:40:31,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:31,294 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:31,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:31,294 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:31,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:31,304 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:31,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:31,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-10 12:40:31,344 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-10 12:40:31,344 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,350 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,352 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-11-10 12:40:31,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-11-10 12:40:31,356 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-10 12:40:31,357 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,359 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,362 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,363 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:18, output treesize:7 [2018-11-10 12:40:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:31,394 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:31,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-11-10 12:40:31,397 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2018-11-10 12:40:31,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-11-10 12:40:31,408 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:40:31,408 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2018-11-10 12:40:31,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-11-10 12:40:31,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-11-10 12:40:31,446 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:40:31,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-11-10 12:40:31,452 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:10 [2018-11-10 12:40:31,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:40:31,481 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 12:40:31,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2018-11-10 12:40:31,481 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 12:40:31,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 12:40:31,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 12:40:31,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-10 12:40:31,482 INFO L87 Difference]: Start difference. First operand 432 states and 517 transitions. Second operand 11 states. [2018-11-10 12:40:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:31,797 INFO L93 Difference]: Finished difference Result 454 states and 541 transitions. [2018-11-10 12:40:31,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 12:40:31,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 58 [2018-11-10 12:40:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:31,798 INFO L225 Difference]: With dead ends: 454 [2018-11-10 12:40:31,798 INFO L226 Difference]: Without dead ends: 454 [2018-11-10 12:40:31,798 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 108 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2018-11-10 12:40:31,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-11-10 12:40:31,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 427. [2018-11-10 12:40:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-10 12:40:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 512 transitions. [2018-11-10 12:40:31,802 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 512 transitions. Word has length 58 [2018-11-10 12:40:31,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:31,802 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 512 transitions. [2018-11-10 12:40:31,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 12:40:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 512 transitions. [2018-11-10 12:40:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:40:31,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:31,803 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:40:31,803 INFO L424 AbstractCegarLoop]: === Iteration 44 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:31,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:31,803 INFO L82 PathProgramCache]: Analyzing trace with hash -2072538613, now seen corresponding path program 1 times [2018-11-10 12:40:31,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:31,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:31,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:31,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:31,804 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:40:31,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:31,857 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 12:40:31,859 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 60 with the following transitions: [2018-11-10 12:40:31,860 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [13], [18], [22], [28], [31], [33], [35], [61], [63], [65], [70], [72], [74], [80], [84], [90], [94], [96], [99], [214], [218], [223], [227], [235], [239], [241], [243], [245], [249], [253], [341], [346], [350], [356], [358], [360], [366], [370], [372], [374], [376], [445], [447], [449], [451], [453], [455], [459], [461], [462], [463], [464] [2018-11-10 12:40:31,861 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 12:40:31,861 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 12:40:32,566 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-10 12:40:32,567 INFO L272 AbstractInterpreter]: Visited 57 different actions 123 times. Merged at 26 different actions 62 times. Never widened. Found 4 fixpoints after 3 different actions. Largest state had 57 variables. [2018-11-10 12:40:32,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:32,569 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-10 12:40:32,569 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:40:32,569 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:40:32,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:32,577 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-10 12:40:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:40:32,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:40:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:40:32,646 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-10 12:40:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 12:40:32,705 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-10 12:40:32,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2018-11-10 12:40:32,705 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-10 12:40:32,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:40:32,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:40:32,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=25, Unknown=2, NotChecked=0, Total=42 [2018-11-10 12:40:32,706 INFO L87 Difference]: Start difference. First operand 427 states and 512 transitions. Second operand 6 states. [2018-11-10 12:40:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:40:32,884 INFO L93 Difference]: Finished difference Result 436 states and 520 transitions. [2018-11-10 12:40:32,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 12:40:32,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-10 12:40:32,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:40:32,885 INFO L225 Difference]: With dead ends: 436 [2018-11-10 12:40:32,885 INFO L226 Difference]: Without dead ends: 404 [2018-11-10 12:40:32,885 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=25, Unknown=2, NotChecked=0, Total=42 [2018-11-10 12:40:32,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-10 12:40:32,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2018-11-10 12:40:32,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2018-11-10 12:40:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 488 transitions. [2018-11-10 12:40:32,887 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 488 transitions. Word has length 59 [2018-11-10 12:40:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:40:32,888 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 488 transitions. [2018-11-10 12:40:32,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:40:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 488 transitions. [2018-11-10 12:40:32,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:40:32,888 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:40:32,888 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] [2018-11-10 12:40:32,888 INFO L424 AbstractCegarLoop]: === Iteration 45 === [mainErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr56ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr53ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr58ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr57ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr52ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr64ENSURES_VIOLATIONMEMORY_LEAK, mainErr55ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr62ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr63ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr54ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr59ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-11-10 12:40:32,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:40:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash -872376397, now seen corresponding path program 1 times [2018-11-10 12:40:32,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:40:32,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:32,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:40:32,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:40:32,889 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:40:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:40:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:40:32,936 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:40:32,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,951 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,952 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,957 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,958 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,959 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,960 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,961 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,962 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,963 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,964 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,965 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,966 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,967 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,968 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,968 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,968 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,968 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,969 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,969 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,969 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,969 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,970 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,971 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,971 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,971 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,971 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,972 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,973 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,973 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,973 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,973 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,974 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,974 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:40:32 BoogieIcfgContainer [2018-11-10 12:40:32,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:40:32,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:40:32,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:40:32,990 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:40:32,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:39:59" (3/4) ... [2018-11-10 12:40:32,992 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:40:32,994 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,994 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,994 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,994 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,994 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,995 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,996 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,997 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,998 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:32,999 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,000 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,001 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,002 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,003 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,004 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,005 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,006 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,007 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,008 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,009 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,009 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,009 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,009 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 12:40:33,046 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb59840f-45e1-4351-a412-c638468998b4/bin-2019/utaipan/witness.graphml [2018-11-10 12:40:33,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:40:33,047 INFO L168 Benchmark]: Toolchain (without parser) took 34455.10 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 817.4 MB). Free memory was 958.1 MB in the beginning and 1.4 GB in the end (delta: -480.3 MB). Peak memory consumption was 337.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,048 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:40:33,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 935.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,048 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -223.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,048 INFO L168 Benchmark]: Boogie Preprocessor took 39.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:40:33,049 INFO L168 Benchmark]: RCFGBuilder took 548.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,049 INFO L168 Benchmark]: TraceAbstraction took 33430.31 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 649.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -362.9 MB). Peak memory consumption was 286.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,049 INFO L168 Benchmark]: Witness Printer took 57.25 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:33,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 935.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -223.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 548.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33430.31 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 649.1 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -362.9 MB). Peak memory consumption was 286.2 MB. Max. memory is 11.5 GB. * Witness Printer took 57.25 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L991] EXPR, FCALL malloc(sizeof(SLL)) [L991] SLL* list = malloc(sizeof(SLL)); [L992] CALL list->next = ((void*)0) [L992] RET list->next = ((void*)0) [L993] COND FALSE !(!(list != ((void*)0))) [L993] COND FALSE !(0) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L993] EXPR, FCALL malloc(sizeof(SLL)) [L993] CALL list->inner = malloc(sizeof(SLL)) [L993] RET list->inner = malloc(sizeof(SLL)) [L993] CALL, EXPR list->inner [L993] RET, EXPR list->inner [L993] CALL list->inner->next = ((void*)0) [L993] RET list->inner->next = ((void*)0) [L993] CALL, EXPR list->inner [L993] RET, EXPR list->inner [L993] CALL list->inner->inner = ((void*)0) [L993] RET list->inner->inner = ((void*)0) [L993] CALL, EXPR list->inner [L993] RET, EXPR list->inner [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L993] COND FALSE !(0) [L995] SLL* end = list; [L998] COND FALSE !(__VERIFIER_nondet_int()) [L1008] end = ((void*)0) [L1009] end = list [L1012] COND FALSE !(!(((void*)0) != end)) [L1012] COND FALSE !(0) [L1014] COND TRUE ((void*)0) != end [L1016] int len = 0; [L1017] CALL, EXPR end->inner [L1017] RET, EXPR end->inner [L1017] SLL* inner = end->inner; [L1018] COND TRUE ((void*)0) != inner [L1020] COND TRUE len == 0 [L1021] len = 1 [L1024] COND FALSE !(!(((void*)0) != inner)) [L1024] COND FALSE !(0) [L1025] CALL, EXPR inner->inner [L1025] RET, EXPR inner->inner [L1025] COND FALSE !(!(((void*)0) == inner->inner)) [L1025] COND FALSE !(0) [L1026] CALL, EXPR inner->next [L1026] RET, EXPR inner->next [L1026] COND FALSE !(!(((void*)0) == inner->next)) [L1026] COND FALSE !(0) [L1027] CALL, EXPR inner->inner [L1027] RET, EXPR inner->inner [L1027] inner = inner->inner [L1028] COND TRUE len == 1 [L1029] CALL inner->inner - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 202 locations, 65 error locations. UNSAFE Result, 33.3s OverallTime, 45 OverallIterations, 2 TraceHistogramMax, 18.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6139 SDtfs, 17501 SDslu, 20979 SDs, 0 SdLazy, 23681 SolverSat, 1594 SolverUnsat, 52 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1400 GetRequests, 776 SyntacticMatches, 31 SemanticMatches, 593 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 7 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 44 MinimizatonAttempts, 4260 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 2058 NumberOfCodeBlocks, 2058 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2321 ConstructedInterpolants, 29 QuantifiedInterpolants, 866830 SizeOfPredicates, 142 NumberOfNonLiveVariables, 2053 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 58 InterpolantComputations, 43 PerfectInterpolantSequences, 56/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...