java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 03:10:27,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 03:10:27,102 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 03:10:27,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 03:10:27,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 03:10:27,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 03:10:27,129 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 03:10:27,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 03:10:27,136 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 03:10:27,137 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 03:10:27,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 03:10:27,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 03:10:27,140 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 03:10:27,141 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 03:10:27,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 03:10:27,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 03:10:27,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 03:10:27,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 03:10:27,154 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 03:10:27,156 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 03:10:27,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 03:10:27,160 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 03:10:27,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 03:10:27,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 03:10:27,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 03:10:27,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 03:10:27,165 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 03:10:27,166 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 03:10:27,166 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 03:10:27,166 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 03:10:27,167 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 03:10:27,167 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ_preciseopt.epf [2018-01-25 03:10:27,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 03:10:27,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 03:10:27,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 03:10:27,182 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 03:10:27,183 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 03:10:27,183 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 03:10:27,183 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 03:10:27,183 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 03:10:27,184 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 03:10:27,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 03:10:27,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 03:10:27,185 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 03:10:27,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 03:10:27,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 03:10:27,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 03:10:27,186 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 03:10:27,186 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 03:10:27,187 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 03:10:27,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 03:10:27,187 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 03:10:27,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 03:10:27,188 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 03:10:27,188 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 03:10:27,188 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 03:10:27,188 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 03:10:27,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 03:10:27,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 03:10:27,189 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 03:10:27,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 03:10:27,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 03:10:27,190 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 03:10:27,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 03:10:27,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 03:10:27,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 03:10:27,191 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 03:10:27,192 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 03:10:27,192 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 03:10:27,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 03:10:27,248 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 03:10:27,253 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 03:10:27,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 03:10:27,255 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 03:10:27,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_false-valid-memtrack.i [2018-01-25 03:10:27,634 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 03:10:27,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 03:10:27,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 03:10:27,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 03:10:27,648 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 03:10:27,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ce22e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27, skipping insertion in model container [2018-01-25 03:10:27,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,672 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:10:27,751 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:10:27,886 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:10:27,945 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:10:27,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27 WrapperNode [2018-01-25 03:10:27,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 03:10:27,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 03:10:27,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 03:10:27,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 03:10:27,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:27,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:28,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... [2018-01-25 03:10:28,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 03:10:28,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 03:10:28,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 03:10:28,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 03:10:28,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-01-25 03:10:28,063 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 03:10:28,063 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 03:10:28,064 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-25 03:10:28,064 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-25 03:10:28,064 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-25 03:10:28,064 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 03:10:28,064 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 03:10:28,065 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-25 03:10:28,066 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 03:10:28,067 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 03:10:28,067 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 03:10:28,897 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 03:10:28,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:10:28 BoogieIcfgContainer [2018-01-25 03:10:28,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 03:10:28,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 03:10:28,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 03:10:28,903 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 03:10:28,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 03:10:27" (1/3) ... [2018-01-25 03:10:28,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:10:28, skipping insertion in model container [2018-01-25 03:10:28,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:10:27" (2/3) ... [2018-01-25 03:10:28,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28308fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:10:28, skipping insertion in model container [2018-01-25 03:10:28,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:10:28" (3/3) ... [2018-01-25 03:10:28,907 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02_false-valid-memtrack.i [2018-01-25 03:10:28,915 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 03:10:28,922 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-25 03:10:28,985 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 03:10:28,985 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 03:10:28,985 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 03:10:28,985 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 03:10:28,985 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 03:10:28,986 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 03:10:28,986 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 03:10:28,986 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 03:10:28,987 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 03:10:29,009 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-25 03:10:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:10:29,016 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:29,017 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:29,017 INFO L371 AbstractCegarLoop]: === Iteration 1 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:29,021 INFO L82 PathProgramCache]: Analyzing trace with hash 573466511, now seen corresponding path program 1 times [2018-01-25 03:10:29,023 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:29,065 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:29,066 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:29,066 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:29,066 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:29,140 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:29,224 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:29,225 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:10:29,225 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:29,230 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:10:29,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:10:29,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:10:29,248 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-01-25 03:10:29,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:29,966 INFO L93 Difference]: Finished difference Result 416 states and 457 transitions. [2018-01-25 03:10:29,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:10:29,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:10:29,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:29,993 INFO L225 Difference]: With dead ends: 416 [2018-01-25 03:10:29,994 INFO L226 Difference]: Without dead ends: 207 [2018-01-25 03:10:30,004 INFO L525 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 [2018-01-25 03:10:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-25 03:10:30,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-01-25 03:10:30,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-25 03:10:30,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-01-25 03:10:30,100 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 7 [2018-01-25 03:10:30,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:30,103 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-01-25 03:10:30,103 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:10:30,104 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-01-25 03:10:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:10:30,104 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:30,104 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:30,104 INFO L371 AbstractCegarLoop]: === Iteration 2 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:30,105 INFO L82 PathProgramCache]: Analyzing trace with hash 573466512, now seen corresponding path program 1 times [2018-01-25 03:10:30,105 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:30,106 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:30,117 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:30,117 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:30,117 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:30,165 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:30,225 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:30,225 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:10:30,225 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:30,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:10:30,228 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:10:30,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:10:30,228 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 3 states. [2018-01-25 03:10:30,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:30,585 INFO L93 Difference]: Finished difference Result 209 states and 222 transitions. [2018-01-25 03:10:30,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:10:30,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:10:30,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:30,589 INFO L225 Difference]: With dead ends: 209 [2018-01-25 03:10:30,589 INFO L226 Difference]: Without dead ends: 208 [2018-01-25 03:10:30,590 INFO L525 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 [2018-01-25 03:10:30,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-01-25 03:10:30,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2018-01-25 03:10:30,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-01-25 03:10:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 218 transitions. [2018-01-25 03:10:30,618 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 218 transitions. Word has length 7 [2018-01-25 03:10:30,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:30,618 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 218 transitions. [2018-01-25 03:10:30,618 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:10:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2018-01-25 03:10:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:10:30,619 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:30,619 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:30,619 INFO L371 AbstractCegarLoop]: === Iteration 3 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:30,619 INFO L82 PathProgramCache]: Analyzing trace with hash -975144455, now seen corresponding path program 1 times [2018-01-25 03:10:30,620 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:30,621 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:30,621 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:30,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:30,622 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:30,720 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:30,923 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:30,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:10:30,926 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:30,927 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:10:30,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:10:30,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:30,927 INFO L87 Difference]: Start difference. First operand 206 states and 218 transitions. Second operand 5 states. [2018-01-25 03:10:31,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:31,576 INFO L93 Difference]: Finished difference Result 206 states and 218 transitions. [2018-01-25 03:10:31,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:10:31,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-25 03:10:31,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:31,579 INFO L225 Difference]: With dead ends: 206 [2018-01-25 03:10:31,579 INFO L226 Difference]: Without dead ends: 204 [2018-01-25 03:10:31,580 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:10:31,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-01-25 03:10:31,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-01-25 03:10:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-01-25 03:10:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2018-01-25 03:10:31,629 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 14 [2018-01-25 03:10:31,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:31,632 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2018-01-25 03:10:31,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:10:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2018-01-25 03:10:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:10:31,633 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:31,633 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:31,633 INFO L371 AbstractCegarLoop]: === Iteration 4 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:31,633 INFO L82 PathProgramCache]: Analyzing trace with hash -975144454, now seen corresponding path program 1 times [2018-01-25 03:10:31,633 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:31,634 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:31,635 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:31,635 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:31,636 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:31,654 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:31,805 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:31,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 03:10:31,805 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:31,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-25 03:10:31,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-25 03:10:31,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-25 03:10:31,807 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 7 states. [2018-01-25 03:10:32,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:32,310 INFO L93 Difference]: Finished difference Result 226 states and 242 transitions. [2018-01-25 03:10:32,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:10:32,311 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-25 03:10:32,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:32,314 INFO L225 Difference]: With dead ends: 226 [2018-01-25 03:10:32,314 INFO L226 Difference]: Without dead ends: 224 [2018-01-25 03:10:32,315 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-01-25 03:10:32,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-01-25 03:10:32,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 213. [2018-01-25 03:10:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-01-25 03:10:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 228 transitions. [2018-01-25 03:10:32,331 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 228 transitions. Word has length 14 [2018-01-25 03:10:32,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:32,331 INFO L432 AbstractCegarLoop]: Abstraction has 213 states and 228 transitions. [2018-01-25 03:10:32,331 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-25 03:10:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 228 transitions. [2018-01-25 03:10:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:10:32,332 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:32,332 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:32,332 INFO L371 AbstractCegarLoop]: === Iteration 5 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:32,332 INFO L82 PathProgramCache]: Analyzing trace with hash -164706800, now seen corresponding path program 1 times [2018-01-25 03:10:32,333 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:32,334 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,334 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:32,334 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,334 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:32,347 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:32,389 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:32,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:10:32,389 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:32,389 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:10:32,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:10:32,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:10:32,390 INFO L87 Difference]: Start difference. First operand 213 states and 228 transitions. Second operand 4 states. [2018-01-25 03:10:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:32,564 INFO L93 Difference]: Finished difference Result 213 states and 228 transitions. [2018-01-25 03:10:32,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:10:32,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:10:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:32,566 INFO L225 Difference]: With dead ends: 213 [2018-01-25 03:10:32,566 INFO L226 Difference]: Without dead ends: 211 [2018-01-25 03:10:32,566 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-01-25 03:10:32,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-01-25 03:10:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-25 03:10:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 225 transitions. [2018-01-25 03:10:32,575 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 225 transitions. Word has length 15 [2018-01-25 03:10:32,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:32,575 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 225 transitions. [2018-01-25 03:10:32,575 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:10:32,575 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 225 transitions. [2018-01-25 03:10:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:10:32,576 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:32,576 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:32,576 INFO L371 AbstractCegarLoop]: === Iteration 6 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:32,576 INFO L82 PathProgramCache]: Analyzing trace with hash -164706799, now seen corresponding path program 1 times [2018-01-25 03:10:32,576 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:32,577 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,577 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:32,577 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,577 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:32,587 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:32,635 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:32,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:10:32,635 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:32,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:10:32,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:10:32,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:10:32,636 INFO L87 Difference]: Start difference. First operand 211 states and 225 transitions. Second operand 4 states. [2018-01-25 03:10:32,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:32,847 INFO L93 Difference]: Finished difference Result 211 states and 225 transitions. [2018-01-25 03:10:32,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:10:32,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:10:32,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:32,849 INFO L225 Difference]: With dead ends: 211 [2018-01-25 03:10:32,849 INFO L226 Difference]: Without dead ends: 209 [2018-01-25 03:10:32,850 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-25 03:10:32,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-01-25 03:10:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-01-25 03:10:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 222 transitions. [2018-01-25 03:10:32,874 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 222 transitions. Word has length 15 [2018-01-25 03:10:32,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:32,875 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 222 transitions. [2018-01-25 03:10:32,875 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:10:32,875 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 222 transitions. [2018-01-25 03:10:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-25 03:10:32,875 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:32,876 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:10:32,876 INFO L371 AbstractCegarLoop]: === Iteration 7 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:32,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1093160757, now seen corresponding path program 1 times [2018-01-25 03:10:32,876 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:32,877 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,877 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:32,877 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:32,877 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:32,894 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:33,190 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:33,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-25 03:10:33,190 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:33,190 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-25 03:10:33,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-25 03:10:33,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-25 03:10:33,191 INFO L87 Difference]: Start difference. First operand 209 states and 222 transitions. Second operand 13 states. [2018-01-25 03:10:35,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:35,097 INFO L93 Difference]: Finished difference Result 403 states and 431 transitions. [2018-01-25 03:10:35,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-25 03:10:35,101 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-25 03:10:35,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:35,103 INFO L225 Difference]: With dead ends: 403 [2018-01-25 03:10:35,103 INFO L226 Difference]: Without dead ends: 211 [2018-01-25 03:10:35,105 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-01-25 03:10:35,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-01-25 03:10:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 210. [2018-01-25 03:10:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-01-25 03:10:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 223 transitions. [2018-01-25 03:10:35,113 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 223 transitions. Word has length 20 [2018-01-25 03:10:35,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:35,113 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 223 transitions. [2018-01-25 03:10:35,114 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-25 03:10:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2018-01-25 03:10:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-25 03:10:35,114 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:35,115 INFO L322 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] [2018-01-25 03:10:35,115 INFO L371 AbstractCegarLoop]: === Iteration 8 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:35,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1733477554, now seen corresponding path program 1 times [2018-01-25 03:10:35,115 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:35,116 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,116 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:35,116 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,116 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:35,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:35,237 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:35,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:10:35,237 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:35,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:10:35,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:10:35,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:10:35,238 INFO L87 Difference]: Start difference. First operand 210 states and 223 transitions. Second operand 4 states. [2018-01-25 03:10:35,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:35,274 INFO L93 Difference]: Finished difference Result 490 states and 526 transitions. [2018-01-25 03:10:35,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:10:35,275 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-25 03:10:35,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:35,276 INFO L225 Difference]: With dead ends: 490 [2018-01-25 03:10:35,276 INFO L226 Difference]: Without dead ends: 298 [2018-01-25 03:10:35,277 INFO L525 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 [2018-01-25 03:10:35,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-01-25 03:10:35,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 262. [2018-01-25 03:10:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-01-25 03:10:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 315 transitions. [2018-01-25 03:10:35,287 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 315 transitions. Word has length 22 [2018-01-25 03:10:35,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:35,287 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 315 transitions. [2018-01-25 03:10:35,287 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:10:35,287 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 315 transitions. [2018-01-25 03:10:35,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:10:35,288 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:35,288 INFO L322 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] [2018-01-25 03:10:35,288 INFO L371 AbstractCegarLoop]: === Iteration 9 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:35,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1293570492, now seen corresponding path program 1 times [2018-01-25 03:10:35,289 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:35,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,290 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:35,290 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,290 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:35,306 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:35,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:35,408 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:35,408 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:10:35,408 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:35,409 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:10:35,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:10:35,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:10:35,409 INFO L87 Difference]: Start difference. First operand 262 states and 315 transitions. Second operand 4 states. [2018-01-25 03:10:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:35,645 INFO L93 Difference]: Finished difference Result 288 states and 347 transitions. [2018-01-25 03:10:35,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:10:35,645 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-25 03:10:35,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:35,647 INFO L225 Difference]: With dead ends: 288 [2018-01-25 03:10:35,647 INFO L226 Difference]: Without dead ends: 275 [2018-01-25 03:10:35,648 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-01-25 03:10:35,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 264. [2018-01-25 03:10:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-01-25 03:10:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 313 transitions. [2018-01-25 03:10:35,665 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 313 transitions. Word has length 26 [2018-01-25 03:10:35,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:35,666 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 313 transitions. [2018-01-25 03:10:35,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:10:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 313 transitions. [2018-01-25 03:10:35,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:10:35,667 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:35,669 INFO L322 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] [2018-01-25 03:10:35,669 INFO L371 AbstractCegarLoop]: === Iteration 10 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:35,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1293570493, now seen corresponding path program 1 times [2018-01-25 03:10:35,670 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:35,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,675 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:35,675 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:35,676 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:35,707 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:35,951 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:35,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:10:35,951 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:35,952 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:10:35,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:10:35,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:35,952 INFO L87 Difference]: Start difference. First operand 264 states and 313 transitions. Second operand 5 states. [2018-01-25 03:10:36,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:36,260 INFO L93 Difference]: Finished difference Result 300 states and 355 transitions. [2018-01-25 03:10:36,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:10:36,261 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-25 03:10:36,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:36,262 INFO L225 Difference]: With dead ends: 300 [2018-01-25 03:10:36,263 INFO L226 Difference]: Without dead ends: 287 [2018-01-25 03:10:36,263 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:10:36,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-01-25 03:10:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 265. [2018-01-25 03:10:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-01-25 03:10:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 307 transitions. [2018-01-25 03:10:36,277 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 307 transitions. Word has length 26 [2018-01-25 03:10:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:36,277 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 307 transitions. [2018-01-25 03:10:36,277 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:10:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 307 transitions. [2018-01-25 03:10:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:10:36,278 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:36,279 INFO L322 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] [2018-01-25 03:10:36,279 INFO L371 AbstractCegarLoop]: === Iteration 11 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:36,279 INFO L82 PathProgramCache]: Analyzing trace with hash 987277154, now seen corresponding path program 1 times [2018-01-25 03:10:36,279 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:36,280 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:36,280 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:36,280 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:36,280 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:36,295 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:36,351 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:36,351 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:10:36,351 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:36,351 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:10:36,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:10:36,351 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:10:36,352 INFO L87 Difference]: Start difference. First operand 265 states and 307 transitions. Second operand 5 states. [2018-01-25 03:10:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:36,697 INFO L93 Difference]: Finished difference Result 335 states and 391 transitions. [2018-01-25 03:10:36,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:10:36,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-25 03:10:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:36,701 INFO L225 Difference]: With dead ends: 335 [2018-01-25 03:10:36,701 INFO L226 Difference]: Without dead ends: 334 [2018-01-25 03:10:36,702 INFO L525 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 [2018-01-25 03:10:36,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2018-01-25 03:10:36,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 275. [2018-01-25 03:10:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-01-25 03:10:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 321 transitions. [2018-01-25 03:10:36,728 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 321 transitions. Word has length 32 [2018-01-25 03:10:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:36,728 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 321 transitions. [2018-01-25 03:10:36,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:10:36,728 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 321 transitions. [2018-01-25 03:10:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:10:36,730 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:36,730 INFO L322 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] [2018-01-25 03:10:36,730 INFO L371 AbstractCegarLoop]: === Iteration 12 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash 987277155, now seen corresponding path program 1 times [2018-01-25 03:10:36,731 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:36,732 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:36,732 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:36,732 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:36,732 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:36,759 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:37,083 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:10:37,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-25 03:10:37,083 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:10:37,084 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 03:10:37,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 03:10:37,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:10:37,084 INFO L87 Difference]: Start difference. First operand 275 states and 321 transitions. Second operand 6 states. [2018-01-25 03:10:38,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:10:38,366 INFO L93 Difference]: Finished difference Result 540 states and 635 transitions. [2018-01-25 03:10:38,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-25 03:10:38,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-25 03:10:38,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:10:38,369 INFO L225 Difference]: With dead ends: 540 [2018-01-25 03:10:38,369 INFO L226 Difference]: Without dead ends: 283 [2018-01-25 03:10:38,370 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-25 03:10:38,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-01-25 03:10:38,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2018-01-25 03:10:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-01-25 03:10:38,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 317 transitions. [2018-01-25 03:10:38,385 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 317 transitions. Word has length 32 [2018-01-25 03:10:38,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:10:38,386 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 317 transitions. [2018-01-25 03:10:38,388 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 03:10:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 317 transitions. [2018-01-25 03:10:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-25 03:10:38,390 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:10:38,390 INFO L322 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] [2018-01-25 03:10:38,390 INFO L371 AbstractCegarLoop]: === Iteration 13 === [create_dataErr0RequiresViolation, create_dataErr14RequiresViolation, create_dataErr37RequiresViolation, create_dataErr19RequiresViolation, create_dataErr5RequiresViolation, create_dataErr3RequiresViolation, create_dataErr11RequiresViolation, create_dataErr29RequiresViolation, create_dataErr32RequiresViolation, create_dataErr16RequiresViolation, create_dataErr24RequiresViolation, create_dataErr34RequiresViolation, create_dataErr39RequiresViolation, create_dataErr8RequiresViolation, create_dataErr6RequiresViolation, create_dataErr26RequiresViolation, create_dataErr17RequiresViolation, create_dataErr36RequiresViolation, create_dataErr27RequiresViolation, create_dataErr30RequiresViolation, create_dataErr13RequiresViolation, create_dataErr23RequiresViolation, create_dataErr9RequiresViolation, create_dataErr33RequiresViolation, create_dataErr2RequiresViolation, create_dataErr4RequiresViolation, create_dataErr10RequiresViolation, create_dataErr28RequiresViolation, create_dataErr38RequiresViolation, create_dataErr20RequiresViolation, create_dataErr18RequiresViolation, create_dataErr1RequiresViolation, create_dataErr31RequiresViolation, create_dataErr35RequiresViolation, create_dataErr21RequiresViolation, create_dataErr22RequiresViolation, create_dataErr12RequiresViolation, create_dataErr25RequiresViolation, create_dataErr7RequiresViolation, create_dataErr15RequiresViolation, freeDataErr2RequiresViolation, freeDataErr4RequiresViolation, freeDataErr5RequiresViolation, freeDataErr3RequiresViolation, freeDataErr0RequiresViolation, freeDataErr1RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, appendErr0RequiresViolation, appendErr9RequiresViolation, appendErr13RequiresViolation, appendErr4RequiresViolation, appendErr8RequiresViolation, appendErr10RequiresViolation, appendErr14RequiresViolation, appendErr5RequiresViolation, appendErr12RequiresViolation, appendErr11RequiresViolation, appendErr7RequiresViolation, appendErr3RequiresViolation, appendErr2RequiresViolation, appendErr15RequiresViolation, appendErr1RequiresViolation, appendErr6RequiresViolation]=== [2018-01-25 03:10:38,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1656548387, now seen corresponding path program 1 times [2018-01-25 03:10:38,391 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:10:38,391 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:38,392 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:10:38,392 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:10:38,396 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:10:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:10:38,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:10:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-25 03:10:38,578 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 03:10:38,578 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 03:10:38,579 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-25 03:10:38,581 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [145], [146], [149], [153], [252], [253], [257], [258], [259], [260], [263], [266], [267], [272], [296], [300], [301], [302], [304] [2018-01-25 03:10:38,652 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 03:10:38,653 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown