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_test01_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-25 03:12:40,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-25 03:12:40,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-25 03:12:40,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-25 03:12:40,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-25 03:12:40,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-25 03:12:40,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-25 03:12:40,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-25 03:12:40,157 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-25 03:12:40,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-25 03:12:40,158 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-25 03:12:40,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-25 03:12:40,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-25 03:12:40,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-25 03:12:40,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-25 03:12:40,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-25 03:12:40,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-25 03:12:40,169 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-25 03:12:40,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-25 03:12:40,172 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-25 03:12:40,174 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-25 03:12:40,174 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-25 03:12:40,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-25 03:12:40,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-25 03:12:40,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-25 03:12:40,178 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-25 03:12:40,178 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-25 03:12:40,179 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-25 03:12:40,179 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-25 03:12:40,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-25 03:12:40,180 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-25 03:12:40,180 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 03:12:40,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-25 03:12:40,188 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-25 03:12:40,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-25 03:12:40,189 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-25 03:12:40,189 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-25 03:12:40,189 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-25 03:12:40,189 INFO L133 SettingsManager]: * Flatten before fatten=true [2018-01-25 03:12:40,189 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-25 03:12:40,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-25 03:12:40,190 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-25 03:12:40,190 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-25 03:12:40,190 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-25 03:12:40,191 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-25 03:12:40,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-25 03:12:40,192 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-25 03:12:40,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-25 03:12:40,192 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-25 03:12:40,192 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-25 03:12:40,193 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-25 03:12:40,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-25 03:12:40,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-25 03:12:40,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-25 03:12:40,193 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-25 03:12:40,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-25 03:12:40,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-25 03:12:40,194 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-25 03:12:40,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-25 03:12:40,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-25 03:12:40,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-25 03:12:40,195 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-25 03:12:40,196 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-25 03:12:40,196 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-25 03:12:40,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-25 03:12:40,249 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-25 03:12:40,253 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-25 03:12:40,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-25 03:12:40,255 INFO L276 PluginConnector]: CDTParser initialized [2018-01-25 03:12:40,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test01_true-valid-memsafety.i [2018-01-25 03:12:40,648 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-25 03:12:40,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-25 03:12:40,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-25 03:12:40,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-25 03:12:40,673 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-25 03:12:40,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:12:40" (1/1) ... [2018-01-25 03:12:40,680 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 03:12:40, skipping insertion in model container [2018-01-25 03:12:40,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 03:12:40" (1/1) ... [2018-01-25 03:12:40,710 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:12:40,801 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-25 03:12:41,089 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:12:41,136 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-25 03:12:41,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41 WrapperNode [2018-01-25 03:12:41,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-25 03:12:41,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-25 03:12:41,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-25 03:12:41,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-25 03:12:41,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (1/1) ... [2018-01-25 03:12:41,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-25 03:12:41,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-25 03:12:41,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-25 03:12:41,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-25 03:12:41,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (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 03:12:41,368 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-25 03:12:41,369 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-25 03:12:41,369 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-25 03:12:41,369 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-25 03:12:41,369 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-25 03:12:41,369 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-25 03:12:41,369 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-25 03:12:41,370 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-25 03:12:41,371 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-25 03:12:41,372 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-25 03:12:41,372 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-25 03:12:41,372 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-25 03:12:42,521 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-25 03:12:42,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:12:42 BoogieIcfgContainer [2018-01-25 03:12:42,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-25 03:12:42,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-25 03:12:42,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-25 03:12:42,526 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-25 03:12:42,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 03:12:40" (1/3) ... [2018-01-25 03:12:42,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ade43d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:12:42, skipping insertion in model container [2018-01-25 03:12:42,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 03:12:41" (2/3) ... [2018-01-25 03:12:42,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ade43d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 03:12:42, skipping insertion in model container [2018-01-25 03:12:42,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 03:12:42" (3/3) ... [2018-01-25 03:12:42,530 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01_true-valid-memsafety.i [2018-01-25 03:12:42,540 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-25 03:12:42,550 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-25 03:12:42,602 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-25 03:12:42,602 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-25 03:12:42,603 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-25 03:12:42,603 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-25 03:12:42,603 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-25 03:12:42,603 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-25 03:12:42,603 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-25 03:12:42,603 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-25 03:12:42,604 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-25 03:12:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2018-01-25 03:12:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:12:42,634 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:42,635 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:42,635 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 03:12:42,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704007, now seen corresponding path program 1 times [2018-01-25 03:12:42,643 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:42,699 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:42,700 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:42,700 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:42,700 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:42,752 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:42,809 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 03:12:42,811 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:42,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:12:42,885 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:42,890 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:12:42,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:12:42,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:42,909 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 3 states. [2018-01-25 03:12:43,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:43,461 INFO L93 Difference]: Finished difference Result 412 states and 451 transitions. [2018-01-25 03:12:43,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:12:43,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:12:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:43,489 INFO L225 Difference]: With dead ends: 412 [2018-01-25 03:12:43,490 INFO L226 Difference]: Without dead ends: 205 [2018-01-25 03:12:43,497 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 03:12:43,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-25 03:12:43,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-25 03:12:43,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-25 03:12:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-25 03:12:43,640 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 7 [2018-01-25 03:12:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:43,641 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-25 03:12:43,641 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:12:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-25 03:12:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-25 03:12:43,642 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:43,642 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:43,642 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 03:12:43,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704008, now seen corresponding path program 1 times [2018-01-25 03:12:43,643 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:43,644 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:43,644 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:43,644 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:43,644 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:43,691 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:43,776 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 03:12:43,777 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:43,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-25 03:12:43,777 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:43,780 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-25 03:12:43,780 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-25 03:12:43,780 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-25 03:12:43,781 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 3 states. [2018-01-25 03:12:44,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:44,118 INFO L93 Difference]: Finished difference Result 207 states and 220 transitions. [2018-01-25 03:12:44,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-25 03:12:44,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-25 03:12:44,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:44,124 INFO L225 Difference]: With dead ends: 207 [2018-01-25 03:12:44,125 INFO L226 Difference]: Without dead ends: 206 [2018-01-25 03:12:44,126 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 03:12:44,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-01-25 03:12:44,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2018-01-25 03:12:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-01-25 03:12:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2018-01-25 03:12:44,148 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 7 [2018-01-25 03:12:44,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:44,148 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2018-01-25 03:12:44,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-25 03:12:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2018-01-25 03:12:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:12:44,149 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:44,149 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:44,149 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 03:12:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash 627159801, now seen corresponding path program 1 times [2018-01-25 03:12:44,149 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:44,151 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:44,151 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:44,151 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:44,151 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:44,219 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:44,415 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 03:12:44,415 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:44,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:44,416 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:44,416 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:12:44,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:12:44,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:44,426 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 5 states. [2018-01-25 03:12:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:45,727 INFO L93 Difference]: Finished difference Result 204 states and 216 transitions. [2018-01-25 03:12:45,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:12:45,727 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-25 03:12:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:45,728 INFO L225 Difference]: With dead ends: 204 [2018-01-25 03:12:45,729 INFO L226 Difference]: Without dead ends: 202 [2018-01-25 03:12:45,729 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:12:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-01-25 03:12:45,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-01-25 03:12:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-01-25 03:12:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2018-01-25 03:12:45,745 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 14 [2018-01-25 03:12:45,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:45,746 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2018-01-25 03:12:45,746 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:12:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2018-01-25 03:12:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-25 03:12:45,747 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:45,747 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:45,747 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 03:12:45,747 INFO L82 PathProgramCache]: Analyzing trace with hash 627159802, now seen corresponding path program 1 times [2018-01-25 03:12:45,747 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:45,748 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:45,749 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:45,749 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:45,749 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:45,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:46,165 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 03:12:46,173 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:46,173 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-25 03:12:46,173 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:46,174 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-25 03:12:46,174 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-25 03:12:46,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-25 03:12:46,175 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 7 states. [2018-01-25 03:12:47,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:47,550 INFO L93 Difference]: Finished difference Result 224 states and 240 transitions. [2018-01-25 03:12:47,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:47,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-25 03:12:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:47,555 INFO L225 Difference]: With dead ends: 224 [2018-01-25 03:12:47,555 INFO L226 Difference]: Without dead ends: 222 [2018-01-25 03:12:47,556 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-01-25 03:12:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-01-25 03:12:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 211. [2018-01-25 03:12:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-25 03:12:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 226 transitions. [2018-01-25 03:12:47,578 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 226 transitions. Word has length 14 [2018-01-25 03:12:47,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:47,579 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 226 transitions. [2018-01-25 03:12:47,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-25 03:12:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 226 transitions. [2018-01-25 03:12:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:12:47,580 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:47,581 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:47,581 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 03:12:47,581 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882424, now seen corresponding path program 1 times [2018-01-25 03:12:47,581 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:47,583 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:47,583 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:47,583 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:47,583 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:47,608 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:47,682 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 03:12:47,682 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:47,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:47,682 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:47,683 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:47,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:47,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:47,684 INFO L87 Difference]: Start difference. First operand 211 states and 226 transitions. Second operand 4 states. [2018-01-25 03:12:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:48,083 INFO L93 Difference]: Finished difference Result 211 states and 226 transitions. [2018-01-25 03:12:48,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:48,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:12:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:48,086 INFO L225 Difference]: With dead ends: 211 [2018-01-25 03:12:48,086 INFO L226 Difference]: Without dead ends: 209 [2018-01-25 03:12:48,087 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 03:12:48,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-25 03:12:48,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-01-25 03:12:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-01-25 03:12:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 223 transitions. [2018-01-25 03:12:48,107 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 223 transitions. Word has length 15 [2018-01-25 03:12:48,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:48,108 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 223 transitions. [2018-01-25 03:12:48,108 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2018-01-25 03:12:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-25 03:12:48,109 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:48,111 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-25 03:12:48,112 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 03:12:48,112 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882423, now seen corresponding path program 1 times [2018-01-25 03:12:48,112 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:48,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,113 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:48,113 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,114 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:48,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:48,209 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 03:12:48,209 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:48,210 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:48,210 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:48,210 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:48,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:48,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:48,210 INFO L87 Difference]: Start difference. First operand 209 states and 223 transitions. Second operand 4 states. [2018-01-25 03:12:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:48,405 INFO L93 Difference]: Finished difference Result 209 states and 223 transitions. [2018-01-25 03:12:48,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:12:48,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-25 03:12:48,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:48,407 INFO L225 Difference]: With dead ends: 209 [2018-01-25 03:12:48,407 INFO L226 Difference]: Without dead ends: 207 [2018-01-25 03:12:48,408 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 03:12:48,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-25 03:12:48,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-01-25 03:12:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-25 03:12:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 220 transitions. [2018-01-25 03:12:48,421 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 220 transitions. Word has length 15 [2018-01-25 03:12:48,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:48,421 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 220 transitions. [2018-01-25 03:12:48,421 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 220 transitions. [2018-01-25 03:12:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-25 03:12:48,423 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:48,423 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 03:12:48,423 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 03:12:48,423 INFO L82 PathProgramCache]: Analyzing trace with hash -290527541, now seen corresponding path program 1 times [2018-01-25 03:12:48,423 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:48,424 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,425 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:48,425 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:48,426 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:48,455 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:48,913 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 03:12:48,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:48,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-25 03:12:48,914 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:48,914 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-25 03:12:48,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-25 03:12:48,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-25 03:12:48,915 INFO L87 Difference]: Start difference. First operand 207 states and 220 transitions. Second operand 13 states. [2018-01-25 03:12:50,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:50,722 INFO L93 Difference]: Finished difference Result 399 states and 427 transitions. [2018-01-25 03:12:50,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-25 03:12:50,723 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-25 03:12:50,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:50,724 INFO L225 Difference]: With dead ends: 399 [2018-01-25 03:12:50,724 INFO L226 Difference]: Without dead ends: 209 [2018-01-25 03:12:50,725 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-01-25 03:12:50,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-25 03:12:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2018-01-25 03:12:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-25 03:12:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 221 transitions. [2018-01-25 03:12:50,734 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 221 transitions. Word has length 20 [2018-01-25 03:12:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:50,734 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 221 transitions. [2018-01-25 03:12:50,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-25 03:12:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 221 transitions. [2018-01-25 03:12:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-25 03:12:50,736 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:50,736 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 03:12:50,736 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 03:12:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash -30107462, now seen corresponding path program 1 times [2018-01-25 03:12:50,736 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:50,737 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,737 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:50,737 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,737 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:50,750 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:50,794 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 03:12:50,794 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:50,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:50,794 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:50,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:50,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:50,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:50,795 INFO L87 Difference]: Start difference. First operand 208 states and 221 transitions. Second operand 4 states. [2018-01-25 03:12:50,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:50,843 INFO L93 Difference]: Finished difference Result 484 states and 520 transitions. [2018-01-25 03:12:50,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-25 03:12:50,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-25 03:12:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:50,854 INFO L225 Difference]: With dead ends: 484 [2018-01-25 03:12:50,854 INFO L226 Difference]: Without dead ends: 294 [2018-01-25 03:12:50,855 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 03:12:50,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-01-25 03:12:50,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 258. [2018-01-25 03:12:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-01-25 03:12:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 311 transitions. [2018-01-25 03:12:50,870 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 311 transitions. Word has length 22 [2018-01-25 03:12:50,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:50,870 INFO L432 AbstractCegarLoop]: Abstraction has 258 states and 311 transitions. [2018-01-25 03:12:50,870 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 311 transitions. [2018-01-25 03:12:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:12:50,871 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:50,871 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 03:12:50,872 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 03:12:50,872 INFO L82 PathProgramCache]: Analyzing trace with hash 929227204, now seen corresponding path program 1 times [2018-01-25 03:12:50,872 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:50,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,873 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:50,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:50,873 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:50,891 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:51,004 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 03:12:51,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:51,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-25 03:12:51,005 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:51,005 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-25 03:12:51,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-25 03:12:51,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-25 03:12:51,006 INFO L87 Difference]: Start difference. First operand 258 states and 311 transitions. Second operand 4 states. [2018-01-25 03:12:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:51,256 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-01-25 03:12:51,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:12:51,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-25 03:12:51,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:51,258 INFO L225 Difference]: With dead ends: 260 [2018-01-25 03:12:51,258 INFO L226 Difference]: Without dead ends: 247 [2018-01-25 03:12:51,259 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 03:12:51,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-01-25 03:12:51,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2018-01-25 03:12:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-01-25 03:12:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 285 transitions. [2018-01-25 03:12:51,270 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 285 transitions. Word has length 26 [2018-01-25 03:12:51,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:51,270 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 285 transitions. [2018-01-25 03:12:51,270 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-25 03:12:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 285 transitions. [2018-01-25 03:12:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-25 03:12:51,271 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:51,271 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 03:12:51,271 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 03:12:51,272 INFO L82 PathProgramCache]: Analyzing trace with hash 929227205, now seen corresponding path program 1 times [2018-01-25 03:12:51,272 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:51,273 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,273 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:51,273 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,273 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:51,289 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:51,339 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 03:12:51,340 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:51,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:51,340 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:51,340 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:12:51,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:12:51,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:51,340 INFO L87 Difference]: Start difference. First operand 245 states and 285 transitions. Second operand 5 states. [2018-01-25 03:12:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:51,540 INFO L93 Difference]: Finished difference Result 247 states and 287 transitions. [2018-01-25 03:12:51,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-25 03:12:51,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-25 03:12:51,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:51,542 INFO L225 Difference]: With dead ends: 247 [2018-01-25 03:12:51,543 INFO L226 Difference]: Without dead ends: 234 [2018-01-25 03:12:51,543 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:12:51,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-01-25 03:12:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2018-01-25 03:12:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-01-25 03:12:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 259 transitions. [2018-01-25 03:12:51,555 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 259 transitions. Word has length 26 [2018-01-25 03:12:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:51,556 INFO L432 AbstractCegarLoop]: Abstraction has 232 states and 259 transitions. [2018-01-25 03:12:51,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:12:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 259 transitions. [2018-01-25 03:12:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:12:51,557 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:51,557 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 03:12:51,557 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 03:12:51,558 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437674, now seen corresponding path program 1 times [2018-01-25 03:12:51,558 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:51,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,559 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:51,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,559 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:51,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:51,622 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 03:12:51,623 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:51,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-25 03:12:51,623 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:51,623 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-25 03:12:51,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-25 03:12:51,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-25 03:12:51,624 INFO L87 Difference]: Start difference. First operand 232 states and 259 transitions. Second operand 5 states. [2018-01-25 03:12:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:51,906 INFO L93 Difference]: Finished difference Result 300 states and 341 transitions. [2018-01-25 03:12:51,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-25 03:12:51,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-25 03:12:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:51,909 INFO L225 Difference]: With dead ends: 300 [2018-01-25 03:12:51,909 INFO L226 Difference]: Without dead ends: 299 [2018-01-25 03:12:51,909 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 03:12:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-01-25 03:12:51,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 242. [2018-01-25 03:12:51,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-01-25 03:12:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 273 transitions. [2018-01-25 03:12:51,927 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 273 transitions. Word has length 32 [2018-01-25 03:12:51,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:51,927 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 273 transitions. [2018-01-25 03:12:51,927 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-25 03:12:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 273 transitions. [2018-01-25 03:12:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-25 03:12:51,928 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:51,928 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 03:12:51,928 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 03:12:51,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437675, now seen corresponding path program 1 times [2018-01-25 03:12:51,931 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:51,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,932 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:51,932 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:51,932 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:51,954 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:52,082 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 03:12:52,083 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-25 03:12:52,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-25 03:12:52,083 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-25 03:12:52,083 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-25 03:12:52,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-25 03:12:52,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-25 03:12:52,084 INFO L87 Difference]: Start difference. First operand 242 states and 273 transitions. Second operand 6 states. [2018-01-25 03:12:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-25 03:12:53,554 INFO L93 Difference]: Finished difference Result 474 states and 539 transitions. [2018-01-25 03:12:53,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-25 03:12:53,555 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-25 03:12:53,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-25 03:12:53,556 INFO L225 Difference]: With dead ends: 474 [2018-01-25 03:12:53,556 INFO L226 Difference]: Without dead ends: 250 [2018-01-25 03:12:53,557 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-25 03:12:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-01-25 03:12:53,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2018-01-25 03:12:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-01-25 03:12:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2018-01-25 03:12:53,570 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 32 [2018-01-25 03:12:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-25 03:12:53,571 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2018-01-25 03:12:53,571 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-25 03:12:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2018-01-25 03:12:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-25 03:12:53,577 INFO L314 BasicCegarLoop]: Found error trace [2018-01-25 03:12:53,578 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 03:12:53,578 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 03:12:53,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2018693333, now seen corresponding path program 1 times [2018-01-25 03:12:53,578 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-25 03:12:53,587 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:53,588 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-25 03:12:53,588 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-25 03:12:53,588 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-25 03:12:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-25 03:12:53,689 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-25 03:12:54,318 WARN L146 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 19 DAG size of output 15 [2018-01-25 03:12:54,347 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 03:12:54,348 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-25 03:12:54,348 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-25 03:12:54,349 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-25 03:12:54,351 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [137], [138], [141], [145], [244], [245], [249], [250], [251], [252], [255], [258], [259], [264], [288], [292], [293], [294], [296] [2018-01-25 03:12:54,429 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-25 03:12:54,430 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