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_mostprecise.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test01_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 20:21:25,252 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 20:21:25,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 20:21:25,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 20:21:25,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 20:21:25,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 20:21:25,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 20:21:25,272 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 20:21:25,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 20:21:25,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 20:21:25,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 20:21:25,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 20:21:25,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 20:21:25,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 20:21:25,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 20:21:25,280 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 20:21:25,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 20:21:25,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 20:21:25,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 20:21:25,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 20:21:25,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 20:21:25,290 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 20:21:25,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 20:21:25,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 20:21:25,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 20:21:25,293 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 20:21:25,293 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 20:21:25,294 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 20:21:25,294 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 20:21:25,295 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 20:21:25,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 20:21:25,295 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_mostprecise.epf [2018-01-24 20:21:25,305 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 20:21:25,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 20:21:25,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 20:21:25,307 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 20:21:25,307 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 20:21:25,307 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 20:21:25,307 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 20:21:25,308 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 20:21:25,308 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 20:21:25,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 20:21:25,309 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 20:21:25,309 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 20:21:25,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 20:21:25,309 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 20:21:25,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 20:21:25,310 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 20:21:25,310 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 20:21:25,310 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 20:21:25,310 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 20:21:25,310 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 20:21:25,311 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 20:21:25,311 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 20:21:25,311 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 20:21:25,311 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 20:21:25,311 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 20:21:25,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 20:21:25,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 20:21:25,312 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 20:21:25,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 20:21:25,313 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 20:21:25,314 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 20:21:25,315 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 20:21:25,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 20:21:25,362 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 20:21:25,366 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 20:21:25,368 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 20:21:25,368 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 20:21:25,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test01_false-valid-memtrack.i [2018-01-24 20:21:25,547 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 20:21:25,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 20:21:25,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 20:21:25,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 20:21:25,559 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 20:21:25,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bda4018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25, skipping insertion in model container [2018-01-24 20:21:25,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,580 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:21:25,622 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:21:25,739 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:21:25,763 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:21:25,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25 WrapperNode [2018-01-24 20:21:25,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 20:21:25,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 20:21:25,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 20:21:25,777 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 20:21:25,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (1/1) ... [2018-01-24 20:21:25,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 20:21:25,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 20:21:25,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 20:21:25,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 20:21:25,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (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 [2018-01-24 20:21:25,873 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 20:21:25,873 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 20:21:25,873 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-24 20:21:25,873 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-24 20:21:25,874 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 20:21:25,874 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 20:21:25,874 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 20:21:25,874 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 20:21:25,874 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 20:21:25,874 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 20:21:25,875 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 20:21:25,876 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 20:21:26,531 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 20:21:26,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:21:26 BoogieIcfgContainer [2018-01-24 20:21:26,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 20:21:26,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 20:21:26,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 20:21:26,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 20:21:26,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 08:21:25" (1/3) ... [2018-01-24 20:21:26,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5200ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:21:26, skipping insertion in model container [2018-01-24 20:21:26,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:21:25" (2/3) ... [2018-01-24 20:21:26,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5200ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:21:26, skipping insertion in model container [2018-01-24 20:21:26,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:21:26" (3/3) ... [2018-01-24 20:21:26,540 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test01_false-valid-memtrack.i [2018-01-24 20:21:26,549 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 20:21:26,558 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-24 20:21:26,605 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 20:21:26,605 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 20:21:26,605 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 20:21:26,605 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 20:21:26,605 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 20:21:26,606 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 20:21:26,606 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 20:21:26,606 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 20:21:26,606 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 20:21:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states. [2018-01-24 20:21:26,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:21:26,632 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:26,632 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:26,633 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]=== [2018-01-24 20:21:26,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704007, now seen corresponding path program 1 times [2018-01-24 20:21:26,638 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:26,679 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:26,680 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:26,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:26,680 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:26,726 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:26,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:26,787 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:21:26,787 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:26,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:21:26,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:21:26,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:21:26,906 INFO L87 Difference]: Start difference. First operand 213 states. Second operand 3 states. [2018-01-24 20:21:27,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:27,223 INFO L93 Difference]: Finished difference Result 412 states and 451 transitions. [2018-01-24 20:21:27,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:21:27,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:21:27,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:27,238 INFO L225 Difference]: With dead ends: 412 [2018-01-24 20:21:27,239 INFO L226 Difference]: Without dead ends: 205 [2018-01-24 20:21:27,245 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 [2018-01-24 20:21:27,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-24 20:21:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-24 20:21:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-24 20:21:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-24 20:21:27,302 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 7 [2018-01-24 20:21:27,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:27,303 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-24 20:21:27,303 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:21:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-24 20:21:27,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:21:27,303 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:27,303 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:27,304 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]=== [2018-01-24 20:21:27,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1826704008, now seen corresponding path program 1 times [2018-01-24 20:21:27,304 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:27,305 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,305 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:27,305 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,305 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:27,320 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:27,378 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:27,378 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:21:27,378 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:27,380 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:21:27,380 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:21:27,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:21:27,381 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 3 states. [2018-01-24 20:21:27,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:27,539 INFO L93 Difference]: Finished difference Result 207 states and 220 transitions. [2018-01-24 20:21:27,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:21:27,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:21:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:27,543 INFO L225 Difference]: With dead ends: 207 [2018-01-24 20:21:27,543 INFO L226 Difference]: Without dead ends: 206 [2018-01-24 20:21:27,543 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 [2018-01-24 20:21:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-01-24 20:21:27,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 204. [2018-01-24 20:21:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-01-24 20:21:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2018-01-24 20:21:27,556 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 7 [2018-01-24 20:21:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:27,556 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2018-01-24 20:21:27,556 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:21:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2018-01-24 20:21:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:21:27,557 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:27,557 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:27,557 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]=== [2018-01-24 20:21:27,557 INFO L82 PathProgramCache]: Analyzing trace with hash 627159801, now seen corresponding path program 1 times [2018-01-24 20:21:27,558 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:27,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,559 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:27,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,559 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:27,580 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:27,647 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:27,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:27,648 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:27,648 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:27,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:27,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:27,649 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 5 states. [2018-01-24 20:21:27,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:27,901 INFO L93 Difference]: Finished difference Result 204 states and 216 transitions. [2018-01-24 20:21:27,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:21:27,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-24 20:21:27,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:27,942 INFO L225 Difference]: With dead ends: 204 [2018-01-24 20:21:27,942 INFO L226 Difference]: Without dead ends: 202 [2018-01-24 20:21:27,942 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:21:27,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-01-24 20:21:27,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-01-24 20:21:27,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-01-24 20:21:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 214 transitions. [2018-01-24 20:21:27,957 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 214 transitions. Word has length 14 [2018-01-24 20:21:27,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:27,957 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 214 transitions. [2018-01-24 20:21:27,957 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:27,957 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 214 transitions. [2018-01-24 20:21:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:21:27,958 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:27,958 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:27,959 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]=== [2018-01-24 20:21:27,959 INFO L82 PathProgramCache]: Analyzing trace with hash 627159802, now seen corresponding path program 1 times [2018-01-24 20:21:27,959 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:27,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,960 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:27,960 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:27,960 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:27,976 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:28,102 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:28,102 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 20:21:28,102 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:28,103 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 20:21:28,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 20:21:28,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 20:21:28,103 INFO L87 Difference]: Start difference. First operand 202 states and 214 transitions. Second operand 7 states. [2018-01-24 20:21:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:28,515 INFO L93 Difference]: Finished difference Result 224 states and 240 transitions. [2018-01-24 20:21:28,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:28,516 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-24 20:21:28,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:28,518 INFO L225 Difference]: With dead ends: 224 [2018-01-24 20:21:28,518 INFO L226 Difference]: Without dead ends: 222 [2018-01-24 20:21:28,518 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-01-24 20:21:28,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-01-24 20:21:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 211. [2018-01-24 20:21:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-24 20:21:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 226 transitions. [2018-01-24 20:21:28,534 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 226 transitions. Word has length 14 [2018-01-24 20:21:28,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:28,535 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 226 transitions. [2018-01-24 20:21:28,535 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 20:21:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 226 transitions. [2018-01-24 20:21:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:21:28,536 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:28,536 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:28,536 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]=== [2018-01-24 20:21:28,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882424, now seen corresponding path program 1 times [2018-01-24 20:21:28,537 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:28,538 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:28,538 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:28,538 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:28,538 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:28,552 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:28,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:28,586 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:28,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:28,587 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:28,587 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:28,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:28,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:28,587 INFO L87 Difference]: Start difference. First operand 211 states and 226 transitions. Second operand 4 states. [2018-01-24 20:21:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:28,806 INFO L93 Difference]: Finished difference Result 211 states and 226 transitions. [2018-01-24 20:21:28,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:28,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:21:28,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:28,808 INFO L225 Difference]: With dead ends: 211 [2018-01-24 20:21:28,808 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 20:21:28,809 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 [2018-01-24 20:21:28,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 20:21:28,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-01-24 20:21:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-01-24 20:21:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 223 transitions. [2018-01-24 20:21:28,820 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 223 transitions. Word has length 15 [2018-01-24 20:21:28,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:28,820 INFO L432 AbstractCegarLoop]: Abstraction has 209 states and 223 transitions. [2018-01-24 20:21:28,820 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2018-01-24 20:21:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:21:28,821 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:28,821 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:21:28,821 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]=== [2018-01-24 20:21:28,822 INFO L82 PathProgramCache]: Analyzing trace with hash -2032882423, now seen corresponding path program 1 times [2018-01-24 20:21:28,822 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:28,823 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:28,823 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:28,823 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:28,823 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:28,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:28,878 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:28,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:28,878 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:28,879 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:28,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:28,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:28,879 INFO L87 Difference]: Start difference. First operand 209 states and 223 transitions. Second operand 4 states. [2018-01-24 20:21:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:29,030 INFO L93 Difference]: Finished difference Result 209 states and 223 transitions. [2018-01-24 20:21:29,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:29,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:21:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:29,031 INFO L225 Difference]: With dead ends: 209 [2018-01-24 20:21:29,032 INFO L226 Difference]: Without dead ends: 207 [2018-01-24 20:21:29,032 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 [2018-01-24 20:21:29,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-01-24 20:21:29,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-01-24 20:21:29,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-24 20:21:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 220 transitions. [2018-01-24 20:21:29,038 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 220 transitions. Word has length 15 [2018-01-24 20:21:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:29,039 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 220 transitions. [2018-01-24 20:21:29,039 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 220 transitions. [2018-01-24 20:21:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 20:21:29,039 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:29,040 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] [2018-01-24 20:21:29,040 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]=== [2018-01-24 20:21:29,040 INFO L82 PathProgramCache]: Analyzing trace with hash -290527541, now seen corresponding path program 1 times [2018-01-24 20:21:29,040 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:29,041 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:29,041 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:29,041 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:29,041 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:29,057 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:29,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:29,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-24 20:21:29,320 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:29,320 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 20:21:29,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 20:21:29,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-24 20:21:29,321 INFO L87 Difference]: Start difference. First operand 207 states and 220 transitions. Second operand 13 states. [2018-01-24 20:21:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:30,352 INFO L93 Difference]: Finished difference Result 399 states and 427 transitions. [2018-01-24 20:21:30,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 20:21:30,353 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-24 20:21:30,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:30,354 INFO L225 Difference]: With dead ends: 399 [2018-01-24 20:21:30,354 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 20:21:30,356 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-01-24 20:21:30,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 20:21:30,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 208. [2018-01-24 20:21:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-24 20:21:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 221 transitions. [2018-01-24 20:21:30,366 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 221 transitions. Word has length 20 [2018-01-24 20:21:30,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:30,366 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 221 transitions. [2018-01-24 20:21:30,366 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 20:21:30,366 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 221 transitions. [2018-01-24 20:21:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 20:21:30,367 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:30,367 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] [2018-01-24 20:21:30,367 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]=== [2018-01-24 20:21:30,368 INFO L82 PathProgramCache]: Analyzing trace with hash -30107462, now seen corresponding path program 1 times [2018-01-24 20:21:30,368 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:30,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,369 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:30,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,369 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:30,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:30,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:30,444 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:30,444 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:30,444 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:30,444 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:30,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:30,445 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:30,445 INFO L87 Difference]: Start difference. First operand 208 states and 221 transitions. Second operand 4 states. [2018-01-24 20:21:30,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:30,482 INFO L93 Difference]: Finished difference Result 484 states and 520 transitions. [2018-01-24 20:21:30,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:21:30,482 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-24 20:21:30,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:30,484 INFO L225 Difference]: With dead ends: 484 [2018-01-24 20:21:30,485 INFO L226 Difference]: Without dead ends: 294 [2018-01-24 20:21:30,486 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 [2018-01-24 20:21:30,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-01-24 20:21:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 258. [2018-01-24 20:21:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-01-24 20:21:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 311 transitions. [2018-01-24 20:21:30,498 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 311 transitions. Word has length 22 [2018-01-24 20:21:30,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:30,499 INFO L432 AbstractCegarLoop]: Abstraction has 258 states and 311 transitions. [2018-01-24 20:21:30,499 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 311 transitions. [2018-01-24 20:21:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:21:30,500 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:30,500 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] [2018-01-24 20:21:30,500 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]=== [2018-01-24 20:21:30,500 INFO L82 PathProgramCache]: Analyzing trace with hash 929227204, now seen corresponding path program 1 times [2018-01-24 20:21:30,500 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:30,501 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,502 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:30,502 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,502 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:30,516 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:30,582 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:30,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:21:30,582 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:30,583 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:21:30,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:21:30,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:21:30,583 INFO L87 Difference]: Start difference. First operand 258 states and 311 transitions. Second operand 4 states. [2018-01-24 20:21:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:30,818 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-01-24 20:21:30,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:30,819 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 20:21:30,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:30,821 INFO L225 Difference]: With dead ends: 260 [2018-01-24 20:21:30,821 INFO L226 Difference]: Without dead ends: 245 [2018-01-24 20:21:30,822 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 [2018-01-24 20:21:30,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-01-24 20:21:30,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-01-24 20:21:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-01-24 20:21:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 281 transitions. [2018-01-24 20:21:30,834 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 281 transitions. Word has length 26 [2018-01-24 20:21:30,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:30,834 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 281 transitions. [2018-01-24 20:21:30,834 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:21:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 281 transitions. [2018-01-24 20:21:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:21:30,835 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:30,835 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] [2018-01-24 20:21:30,836 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]=== [2018-01-24 20:21:30,836 INFO L82 PathProgramCache]: Analyzing trace with hash 929227205, now seen corresponding path program 1 times [2018-01-24 20:21:30,836 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:30,837 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,837 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:30,837 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:30,837 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:30,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:30,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:30,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:30,913 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:30,913 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:30,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:30,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:30,914 INFO L87 Difference]: Start difference. First operand 243 states and 281 transitions. Second operand 5 states. [2018-01-24 20:21:31,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:31,128 INFO L93 Difference]: Finished difference Result 245 states and 283 transitions. [2018-01-24 20:21:31,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:21:31,128 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 20:21:31,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:31,130 INFO L225 Difference]: With dead ends: 245 [2018-01-24 20:21:31,130 INFO L226 Difference]: Without dead ends: 230 [2018-01-24 20:21:31,131 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 [2018-01-24 20:21:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-01-24 20:21:31,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2018-01-24 20:21:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-01-24 20:21:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 251 transitions. [2018-01-24 20:21:31,139 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 251 transitions. Word has length 26 [2018-01-24 20:21:31,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:31,140 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 251 transitions. [2018-01-24 20:21:31,140 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 251 transitions. [2018-01-24 20:21:31,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:21:31,141 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:31,141 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] [2018-01-24 20:21:31,141 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]=== [2018-01-24 20:21:31,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437674, now seen corresponding path program 1 times [2018-01-24 20:21:31,142 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:31,142 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:31,142 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:31,142 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:31,143 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:31,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:31,237 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:31,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:21:31,237 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:31,237 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:21:31,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:21:31,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:21:31,237 INFO L87 Difference]: Start difference. First operand 228 states and 251 transitions. Second operand 5 states. [2018-01-24 20:21:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:31,554 INFO L93 Difference]: Finished difference Result 296 states and 333 transitions. [2018-01-24 20:21:31,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:21:31,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-24 20:21:31,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:31,557 INFO L225 Difference]: With dead ends: 296 [2018-01-24 20:21:31,557 INFO L226 Difference]: Without dead ends: 295 [2018-01-24 20:21:31,558 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 [2018-01-24 20:21:31,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-01-24 20:21:31,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 238. [2018-01-24 20:21:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-01-24 20:21:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 265 transitions. [2018-01-24 20:21:31,571 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 265 transitions. Word has length 32 [2018-01-24 20:21:31,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:31,571 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 265 transitions. [2018-01-24 20:21:31,571 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:21:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 265 transitions. [2018-01-24 20:21:31,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:21:31,572 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:31,572 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] [2018-01-24 20:21:31,572 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]=== [2018-01-24 20:21:31,573 INFO L82 PathProgramCache]: Analyzing trace with hash 2007437675, now seen corresponding path program 1 times [2018-01-24 20:21:31,573 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:31,573 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:31,574 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:31,574 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:31,574 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:31,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:31,687 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:21:31,687 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 20:21:31,687 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:21:31,688 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:21:31,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:21:31,688 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:21:31,688 INFO L87 Difference]: Start difference. First operand 238 states and 265 transitions. Second operand 6 states. [2018-01-24 20:21:32,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:21:32,063 INFO L93 Difference]: Finished difference Result 466 states and 523 transitions. [2018-01-24 20:21:32,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 20:21:32,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-24 20:21:32,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:21:32,065 INFO L225 Difference]: With dead ends: 466 [2018-01-24 20:21:32,065 INFO L226 Difference]: Without dead ends: 246 [2018-01-24 20:21:32,066 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 [2018-01-24 20:21:32,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-01-24 20:21:32,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2018-01-24 20:21:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-01-24 20:21:32,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 261 transitions. [2018-01-24 20:21:32,078 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 261 transitions. Word has length 32 [2018-01-24 20:21:32,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:21:32,079 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 261 transitions. [2018-01-24 20:21:32,079 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:21:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 261 transitions. [2018-01-24 20:21:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-24 20:21:32,080 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:21:32,084 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] [2018-01-24 20:21:32,085 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]=== [2018-01-24 20:21:32,085 INFO L82 PathProgramCache]: Analyzing trace with hash 2018693333, now seen corresponding path program 1 times [2018-01-24 20:21:32,085 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:21:32,086 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:32,086 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:21:32,086 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:21:32,086 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:21:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:21:32,119 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:21:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:21:32,222 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:21:32,222 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:21:32,223 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-24 20:21:32,225 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] [2018-01-24 20:21:32,268 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:21:32,268 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