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_test02_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 20:23:50,350 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 20:23:50,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 20:23:50,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 20:23:50,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 20:23:50,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 20:23:50,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 20:23:50,371 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 20:23:50,373 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 20:23:50,374 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 20:23:50,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 20:23:50,375 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 20:23:50,376 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 20:23:50,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 20:23:50,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 20:23:50,381 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 20:23:50,383 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 20:23:50,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 20:23:50,387 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 20:23:50,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 20:23:50,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 20:23:50,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 20:23:50,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 20:23:50,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 20:23:50,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 20:23:50,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 20:23:50,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 20:23:50,396 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 20:23:50,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 20:23:50,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 20:23:50,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 20:23:50,397 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 20:23:50,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 20:23:50,406 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 20:23:50,407 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 20:23:50,407 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 20:23:50,407 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 20:23:50,408 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-24 20:23:50,408 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 20:23:50,408 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-24 20:23:50,408 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 20:23:50,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 20:23:50,409 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 20:23:50,410 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 20:23:50,410 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 20:23:50,410 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 20:23:50,410 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 20:23:50,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 20:23:50,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 20:23:50,411 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 20:23:50,411 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 20:23:50,411 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 20:23:50,411 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 20:23:50,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 20:23:50,412 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 20:23:50,413 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 20:23:50,413 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 20:23:50,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 20:23:50,458 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 20:23:50,462 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 20:23:50,463 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 20:23:50,463 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 20:23:50,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/complex_data_creation_test02_true-valid-memsafety.i [2018-01-24 20:23:50,624 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 20:23:50,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 20:23:50,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 20:23:50,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 20:23:50,635 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 20:23:50,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c43b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50, skipping insertion in model container [2018-01-24 20:23:50,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,651 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:23:50,690 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 20:23:50,815 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:23:50,844 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 20:23:50,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50 WrapperNode [2018-01-24 20:23:50,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 20:23:50,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 20:23:50,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 20:23:50,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 20:23:50,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (1/1) ... [2018-01-24 20:23:50,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 20:23:50,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 20:23:50,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 20:23:50,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 20:23:50,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (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 20:23:50,961 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 20:23:50,962 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 20:23:50,962 INFO L136 BoogieDeclarations]: Found implementation of procedure create_data [2018-01-24 20:23:50,962 INFO L136 BoogieDeclarations]: Found implementation of procedure freeData [2018-01-24 20:23:50,962 INFO L136 BoogieDeclarations]: Found implementation of procedure append [2018-01-24 20:23:50,962 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 20:23:50,962 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 20:23:50,963 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure create_data [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure freeData [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure append [2018-01-24 20:23:50,964 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 20:23:50,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 20:23:50,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 20:23:51,739 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 20:23:51,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:23:51 BoogieIcfgContainer [2018-01-24 20:23:51,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 20:23:51,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 20:23:51,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 20:23:51,743 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 20:23:51,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 08:23:50" (1/3) ... [2018-01-24 20:23:51,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50eb5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:23:51, skipping insertion in model container [2018-01-24 20:23:51,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 08:23:50" (2/3) ... [2018-01-24 20:23:51,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50eb5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 08:23:51, skipping insertion in model container [2018-01-24 20:23:51,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 08:23:51" (3/3) ... [2018-01-24 20:23:51,747 INFO L105 eAbstractionObserver]: Analyzing ICFG complex_data_creation_test02_true-valid-memsafety.i [2018-01-24 20:23:51,755 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 20:23:51,763 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 91 error locations. [2018-01-24 20:23:51,807 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 20:23:51,808 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 20:23:51,808 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 20:23:51,808 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 20:23:51,808 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 20:23:51,808 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 20:23:51,808 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 20:23:51,808 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 20:23:51,809 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 20:23:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-01-24 20:23:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:23:51,839 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:51,840 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:51,840 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 20:23:51,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553648, now seen corresponding path program 1 times [2018-01-24 20:23:51,846 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:51,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:51,890 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:51,890 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:51,890 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:51,932 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:51,989 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 20:23:51,992 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:51,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:23:51,992 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:51,995 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:23:52,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:23:52,005 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:23:52,007 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-01-24 20:23:52,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:52,403 INFO L93 Difference]: Finished difference Result 418 states and 459 transitions. [2018-01-24 20:23:52,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:23:52,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:23:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:52,420 INFO L225 Difference]: With dead ends: 418 [2018-01-24 20:23:52,420 INFO L226 Difference]: Without dead ends: 208 [2018-01-24 20:23:52,428 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 20:23:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-01-24 20:23:52,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-01-24 20:23:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-24 20:23:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 220 transitions. [2018-01-24 20:23:52,488 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 220 transitions. Word has length 7 [2018-01-24 20:23:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:52,489 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 220 transitions. [2018-01-24 20:23:52,489 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:23:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2018-01-24 20:23:52,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-01-24 20:23:52,490 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:52,490 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:52,490 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 20:23:52,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1490553649, now seen corresponding path program 1 times [2018-01-24 20:23:52,491 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:52,492 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:52,492 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:52,492 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:52,492 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:52,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 20:23:52,564 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:52,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-24 20:23:52,564 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:52,566 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-24 20:23:52,566 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-24 20:23:52,566 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-24 20:23:52,567 INFO L87 Difference]: Start difference. First operand 208 states and 220 transitions. Second operand 3 states. [2018-01-24 20:23:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:52,734 INFO L93 Difference]: Finished difference Result 210 states and 223 transitions. [2018-01-24 20:23:52,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-24 20:23:52,767 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-01-24 20:23:52,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:52,771 INFO L225 Difference]: With dead ends: 210 [2018-01-24 20:23:52,771 INFO L226 Difference]: Without dead ends: 209 [2018-01-24 20:23:52,772 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 20:23:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-01-24 20:23:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2018-01-24 20:23:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-01-24 20:23:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 219 transitions. [2018-01-24 20:23:52,790 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 219 transitions. Word has length 7 [2018-01-24 20:23:52,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:52,790 INFO L432 AbstractCegarLoop]: Abstraction has 207 states and 219 transitions. [2018-01-24 20:23:52,790 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-24 20:23:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2018-01-24 20:23:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:23:52,791 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:52,791 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:52,791 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 20:23:52,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922073, now seen corresponding path program 1 times [2018-01-24 20:23:52,792 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:52,793 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:52,793 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:52,793 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:52,794 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:52,814 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:52,884 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 20:23:52,884 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:52,884 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:23:52,884 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:52,885 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:23:52,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:23:52,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:23:52,886 INFO L87 Difference]: Start difference. First operand 207 states and 219 transitions. Second operand 5 states. [2018-01-24 20:23:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:53,115 INFO L93 Difference]: Finished difference Result 207 states and 219 transitions. [2018-01-24 20:23:53,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:23:53,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-01-24 20:23:53,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:53,117 INFO L225 Difference]: With dead ends: 207 [2018-01-24 20:23:53,117 INFO L226 Difference]: Without dead ends: 205 [2018-01-24 20:23:53,117 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:23:53,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-01-24 20:23:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-01-24 20:23:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-01-24 20:23:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 217 transitions. [2018-01-24 20:23:53,131 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 217 transitions. Word has length 14 [2018-01-24 20:23:53,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:53,132 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 217 transitions. [2018-01-24 20:23:53,132 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:23:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2018-01-24 20:23:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-24 20:23:53,133 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:53,133 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:53,133 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 20:23:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1508922074, now seen corresponding path program 1 times [2018-01-24 20:23:53,133 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:53,134 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,134 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:53,134 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,134 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:53,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:53,270 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 20:23:53,270 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:53,270 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-24 20:23:53,274 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:53,274 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-24 20:23:53,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-24 20:23:53,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-01-24 20:23:53,274 INFO L87 Difference]: Start difference. First operand 205 states and 217 transitions. Second operand 7 states. [2018-01-24 20:23:53,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:53,648 INFO L93 Difference]: Finished difference Result 227 states and 243 transitions. [2018-01-24 20:23:53,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:23:53,649 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-01-24 20:23:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:53,651 INFO L225 Difference]: With dead ends: 227 [2018-01-24 20:23:53,651 INFO L226 Difference]: Without dead ends: 225 [2018-01-24 20:23:53,652 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 20:23:53,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-01-24 20:23:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2018-01-24 20:23:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-01-24 20:23:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2018-01-24 20:23:53,667 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 14 [2018-01-24 20:23:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:53,667 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2018-01-24 20:23:53,667 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-24 20:23:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2018-01-24 20:23:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:23:53,668 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:53,668 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:53,668 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 20:23:53,669 INFO L82 PathProgramCache]: Analyzing trace with hash -468055759, now seen corresponding path program 1 times [2018-01-24 20:23:53,669 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:53,670 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,670 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:53,670 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,670 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:53,684 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:53,716 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 20:23:53,716 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:53,716 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:23:53,716 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:53,717 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:23:53,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:23:53,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:23:53,717 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states. [2018-01-24 20:23:53,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:53,915 INFO L93 Difference]: Finished difference Result 214 states and 229 transitions. [2018-01-24 20:23:53,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:23:53,915 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:23:53,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:53,917 INFO L225 Difference]: With dead ends: 214 [2018-01-24 20:23:53,917 INFO L226 Difference]: Without dead ends: 212 [2018-01-24 20:23:53,917 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 20:23:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-24 20:23:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2018-01-24 20:23:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-01-24 20:23:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 226 transitions. [2018-01-24 20:23:53,928 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 226 transitions. Word has length 15 [2018-01-24 20:23:53,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:53,928 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 226 transitions. [2018-01-24 20:23:53,928 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:23:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 226 transitions. [2018-01-24 20:23:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-24 20:23:53,929 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:53,929 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 20:23:53,929 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 20:23:53,930 INFO L82 PathProgramCache]: Analyzing trace with hash -468055758, now seen corresponding path program 1 times [2018-01-24 20:23:53,930 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:53,931 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,931 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:53,931 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:53,931 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:53,944 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:53,981 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 20:23:53,981 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:53,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:23:53,982 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:53,982 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:23:53,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:23:53,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:23:53,982 INFO L87 Difference]: Start difference. First operand 212 states and 226 transitions. Second operand 4 states. [2018-01-24 20:23:54,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:54,139 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-01-24 20:23:54,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:23:54,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-01-24 20:23:54,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:54,141 INFO L225 Difference]: With dead ends: 212 [2018-01-24 20:23:54,141 INFO L226 Difference]: Without dead ends: 210 [2018-01-24 20:23:54,141 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 20:23:54,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-01-24 20:23:54,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2018-01-24 20:23:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-01-24 20:23:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 223 transitions. [2018-01-24 20:23:54,149 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 223 transitions. Word has length 15 [2018-01-24 20:23:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:54,150 INFO L432 AbstractCegarLoop]: Abstraction has 210 states and 223 transitions. [2018-01-24 20:23:54,150 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:23:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 223 transitions. [2018-01-24 20:23:54,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-24 20:23:54,150 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:54,150 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 20:23:54,151 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 20:23:54,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1490864651, now seen corresponding path program 1 times [2018-01-24 20:23:54,151 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:54,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:54,152 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:54,152 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:54,152 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:54,169 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:54,435 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 20:23:54,436 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:54,436 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-01-24 20:23:54,436 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:54,436 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-24 20:23:54,437 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-24 20:23:54,437 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-01-24 20:23:54,437 INFO L87 Difference]: Start difference. First operand 210 states and 223 transitions. Second operand 13 states. [2018-01-24 20:23:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:55,800 INFO L93 Difference]: Finished difference Result 405 states and 433 transitions. [2018-01-24 20:23:55,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-24 20:23:55,801 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 20 [2018-01-24 20:23:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:55,803 INFO L225 Difference]: With dead ends: 405 [2018-01-24 20:23:55,803 INFO L226 Difference]: Without dead ends: 212 [2018-01-24 20:23:55,804 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 20:23:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-24 20:23:55,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2018-01-24 20:23:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-01-24 20:23:55,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 224 transitions. [2018-01-24 20:23:55,814 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 224 transitions. Word has length 20 [2018-01-24 20:23:55,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:55,814 INFO L432 AbstractCegarLoop]: Abstraction has 211 states and 224 transitions. [2018-01-24 20:23:55,814 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-24 20:23:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2018-01-24 20:23:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 20:23:55,815 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:55,815 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 20:23:55,815 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 20:23:55,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1804170703, now seen corresponding path program 1 times [2018-01-24 20:23:55,815 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:55,816 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:55,816 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:55,816 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:55,816 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:55,828 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:55,858 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 20:23:55,858 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:55,858 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:23:55,858 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:55,859 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:23:55,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:23:55,859 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:23:55,859 INFO L87 Difference]: Start difference. First operand 211 states and 224 transitions. Second operand 4 states. [2018-01-24 20:23:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:55,924 INFO L93 Difference]: Finished difference Result 493 states and 529 transitions. [2018-01-24 20:23:55,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 20:23:55,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2018-01-24 20:23:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:55,925 INFO L225 Difference]: With dead ends: 493 [2018-01-24 20:23:55,925 INFO L226 Difference]: Without dead ends: 300 [2018-01-24 20:23:55,926 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 20:23:55,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-01-24 20:23:55,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 264. [2018-01-24 20:23:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-01-24 20:23:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 317 transitions. [2018-01-24 20:23:55,935 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 317 transitions. Word has length 22 [2018-01-24 20:23:55,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:55,935 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 317 transitions. [2018-01-24 20:23:55,935 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:23:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 317 transitions. [2018-01-24 20:23:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:23:55,936 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:55,936 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 20:23:55,936 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 20:23:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash 265371579, now seen corresponding path program 1 times [2018-01-24 20:23:55,936 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:55,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:55,937 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:55,937 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:55,937 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:55,951 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:56,006 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 20:23:56,007 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:56,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 20:23:56,007 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:56,007 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 20:23:56,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 20:23:56,008 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 20:23:56,008 INFO L87 Difference]: Start difference. First operand 264 states and 317 transitions. Second operand 4 states. [2018-01-24 20:23:56,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:56,171 INFO L93 Difference]: Finished difference Result 290 states and 349 transitions. [2018-01-24 20:23:56,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:23:56,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-01-24 20:23:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:56,173 INFO L225 Difference]: With dead ends: 290 [2018-01-24 20:23:56,173 INFO L226 Difference]: Without dead ends: 277 [2018-01-24 20:23:56,173 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 20:23:56,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-01-24 20:23:56,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 266. [2018-01-24 20:23:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-01-24 20:23:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 315 transitions. [2018-01-24 20:23:56,186 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 315 transitions. Word has length 26 [2018-01-24 20:23:56,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:56,186 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 315 transitions. [2018-01-24 20:23:56,186 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 20:23:56,186 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 315 transitions. [2018-01-24 20:23:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-24 20:23:56,187 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:56,187 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 20:23:56,187 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 20:23:56,188 INFO L82 PathProgramCache]: Analyzing trace with hash 265371580, now seen corresponding path program 1 times [2018-01-24 20:23:56,188 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:56,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,189 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:56,189 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,189 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:56,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:56,263 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 20:23:56,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:56,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:23:56,263 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:56,264 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:23:56,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:23:56,264 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:23:56,264 INFO L87 Difference]: Start difference. First operand 266 states and 315 transitions. Second operand 5 states. [2018-01-24 20:23:56,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:56,544 INFO L93 Difference]: Finished difference Result 302 states and 357 transitions. [2018-01-24 20:23:56,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-24 20:23:56,545 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-01-24 20:23:56,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:56,547 INFO L225 Difference]: With dead ends: 302 [2018-01-24 20:23:56,547 INFO L226 Difference]: Without dead ends: 289 [2018-01-24 20:23:56,548 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 20:23:56,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-01-24 20:23:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 267. [2018-01-24 20:23:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-01-24 20:23:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 309 transitions. [2018-01-24 20:23:56,561 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 309 transitions. Word has length 26 [2018-01-24 20:23:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:56,562 INFO L432 AbstractCegarLoop]: Abstraction has 267 states and 309 transitions. [2018-01-24 20:23:56,562 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:23:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 309 transitions. [2018-01-24 20:23:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:23:56,563 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:56,563 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 20:23:56,563 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 20:23:56,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498913, now seen corresponding path program 1 times [2018-01-24 20:23:56,563 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:56,564 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,564 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:56,565 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,565 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:56,580 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:56,634 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 20:23:56,635 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:56,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 20:23:56,635 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:56,635 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 20:23:56,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 20:23:56,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 20:23:56,636 INFO L87 Difference]: Start difference. First operand 267 states and 309 transitions. Second operand 5 states. [2018-01-24 20:23:56,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:56,904 INFO L93 Difference]: Finished difference Result 339 states and 395 transitions. [2018-01-24 20:23:56,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 20:23:56,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-24 20:23:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:56,907 INFO L225 Difference]: With dead ends: 339 [2018-01-24 20:23:56,907 INFO L226 Difference]: Without dead ends: 338 [2018-01-24 20:23:56,907 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 20:23:56,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-01-24 20:23:56,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 277. [2018-01-24 20:23:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-24 20:23:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 323 transitions. [2018-01-24 20:23:56,918 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 323 transitions. Word has length 32 [2018-01-24 20:23:56,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:56,918 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 323 transitions. [2018-01-24 20:23:56,918 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 20:23:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 323 transitions. [2018-01-24 20:23:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-24 20:23:56,919 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:56,919 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 20:23:56,919 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 20:23:56,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1933498914, now seen corresponding path program 1 times [2018-01-24 20:23:56,920 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:56,921 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,921 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:56,921 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:56,921 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:56,933 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:57,015 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 20:23:57,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 20:23:57,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 20:23:57,016 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 20:23:57,016 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 20:23:57,016 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 20:23:57,016 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-24 20:23:57,016 INFO L87 Difference]: Start difference. First operand 277 states and 323 transitions. Second operand 6 states. [2018-01-24 20:23:57,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 20:23:57,257 INFO L93 Difference]: Finished difference Result 544 states and 639 transitions. [2018-01-24 20:23:57,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-24 20:23:57,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-24 20:23:57,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 20:23:57,260 INFO L225 Difference]: With dead ends: 544 [2018-01-24 20:23:57,260 INFO L226 Difference]: Without dead ends: 285 [2018-01-24 20:23:57,261 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-01-24 20:23:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-01-24 20:23:57,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 277. [2018-01-24 20:23:57,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-01-24 20:23:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 319 transitions. [2018-01-24 20:23:57,277 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 319 transitions. Word has length 32 [2018-01-24 20:23:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 20:23:57,278 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 319 transitions. [2018-01-24 20:23:57,278 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 20:23:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 319 transitions. [2018-01-24 20:23:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-24 20:23:57,281 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 20:23:57,281 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 20:23:57,281 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 20:23:57,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1042211778, now seen corresponding path program 1 times [2018-01-24 20:23:57,281 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 20:23:57,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:57,282 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 20:23:57,282 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 20:23:57,283 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 20:23:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 20:23:57,303 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 20:23:57,416 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 20:23:57,416 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 20:23:57,416 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 20:23:57,417 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 40 with the following transitions: [2018-01-24 20:23:57,419 INFO L201 CegarAbsIntRunner]: [0], [9], [18], [19], [20], [21], [22], [25], [29], [34], [35], [38], [39], [40], [42], [44], [146], [147], [150], [154], [253], [254], [258], [259], [260], [261], [264], [267], [268], [273], [297], [301], [302], [303], [305] [2018-01-24 20:23:57,485 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 20:23:57,485 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