/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 16:54:01,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 16:54:01,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 16:54:01,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 16:54:01,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 16:54:01,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 16:54:01,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 16:54:01,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 16:54:01,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 16:54:01,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 16:54:01,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 16:54:01,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 16:54:01,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 16:54:01,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 16:54:01,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 16:54:01,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 16:54:01,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 16:54:01,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 16:54:01,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 16:54:01,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 16:54:01,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 16:54:01,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 16:54:01,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 16:54:01,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 16:54:01,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 16:54:01,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 16:54:01,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 16:54:01,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 16:54:01,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 16:54:01,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 16:54:01,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 16:54:01,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 16:54:01,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 16:54:01,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 16:54:01,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 16:54:01,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 16:54:01,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 16:54:01,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 16:54:01,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 16:54:01,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 16:54:01,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 16:54:01,517 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 16:54:01,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 16:54:01,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 16:54:01,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 16:54:01,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 16:54:01,519 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 16:54:01,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 16:54:01,520 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 16:54:01,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 16:54:01,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 16:54:01,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 16:54:01,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 16:54:01,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 16:54:01,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 16:54:01,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 16:54:01,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 16:54:01,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 16:54:01,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 16:54:01,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 16:54:01,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 16:54:01,523 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 16:54:01,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 16:54:01,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 16:54:01,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 16:54:01,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 16:54:01,988 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 16:54:01,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2020-12-23 16:54:02,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c83d3dd5d/78463ac9e349454daa41f1797bc8366b/FLAGc63b74d12 [2020-12-23 16:54:02,827 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 16:54:02,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2020-12-23 16:54:02,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c83d3dd5d/78463ac9e349454daa41f1797bc8366b/FLAGc63b74d12 [2020-12-23 16:54:03,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/c83d3dd5d/78463ac9e349454daa41f1797bc8366b [2020-12-23 16:54:03,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 16:54:03,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 16:54:03,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 16:54:03,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 16:54:03,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 16:54:03,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71da7c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03, skipping insertion in model container [2020-12-23 16:54:03,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 16:54:03,183 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~length~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~arr~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~arr~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~arr~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~arr~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],BinaryExpression[ARITHPLUS,IntegerLiteral[1],IfThenElseExpression[BinaryExpression[LOGICAND,BinaryExpression[COMPLT,IdentifierExpression[~length~0,],IntegerLiteral[0]],BinaryExpression[COMPNEQ,IntegerLiteral[0],BinaryExpression[ARITHMOD,IdentifierExpression[~length~0,],IntegerLiteral[2]]]],BinaryExpression[ARITHPLUS,IntegerLiteral[1],BinaryExpression[ARITHDIV,IdentifierExpression[~length~0,],IntegerLiteral[2]]],BinaryExpression[ARITHDIV,IdentifierExpression[~length~0,],IntegerLiteral[2]]]]]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: address: IdentifierExpression[~a~0,] left hand side expression in assignment: address: IdentifierExpression[~b~0,] [2020-12-23 16:54:03,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:54:03,620 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~length~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~arr~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~arr~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~arr~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~arr~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],BinaryExpression[ARITHPLUS,IntegerLiteral[1],IfThenElseExpression[BinaryExpression[LOGICAND,BinaryExpression[COMPLT,IdentifierExpression[~length~0,],IntegerLiteral[0]],BinaryExpression[COMPNEQ,IntegerLiteral[0],BinaryExpression[ARITHMOD,IdentifierExpression[~length~0,],IntegerLiteral[2]]]],BinaryExpression[ARITHPLUS,IntegerLiteral[1],BinaryExpression[ARITHDIV,IdentifierExpression[~length~0,],IntegerLiteral[2]]],BinaryExpression[ARITHDIV,IdentifierExpression[~length~0,],IntegerLiteral[2]]]]]]]] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: address: IdentifierExpression[~a~0,] left hand side expression in assignment: address: IdentifierExpression[~b~0,] [2020-12-23 16:54:03,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 16:54:03,805 INFO L208 MainTranslator]: Completed translation [2020-12-23 16:54:03,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03 WrapperNode [2020-12-23 16:54:03,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 16:54:03,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 16:54:03,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 16:54:03,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 16:54:03,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 16:54:03,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 16:54:03,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 16:54:03,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 16:54:03,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... [2020-12-23 16:54:03,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 16:54:03,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 16:54:03,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 16:54:03,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 16:54:03,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 16:54:04,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 16:54:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 16:54:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 16:54:04,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 16:54:04,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 16:54:04,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 16:54:04,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 16:54:04,798 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-23 16:54:04,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:04 BoogieIcfgContainer [2020-12-23 16:54:04,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 16:54:04,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 16:54:04,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 16:54:04,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 16:54:04,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:54:03" (1/3) ... [2020-12-23 16:54:04,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11352bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:54:04, skipping insertion in model container [2020-12-23 16:54:04,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:54:03" (2/3) ... [2020-12-23 16:54:04,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11352bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:54:04, skipping insertion in model container [2020-12-23 16:54:04,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:04" (3/3) ... [2020-12-23 16:54:04,810 INFO L111 eAbstractionObserver]: Analyzing ICFG reverse_array_unsafe.i [2020-12-23 16:54:04,818 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 16:54:04,824 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2020-12-23 16:54:04,846 INFO L253 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2020-12-23 16:54:04,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 16:54:04,871 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 16:54:04,871 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 16:54:04,871 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 16:54:04,871 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 16:54:04,872 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 16:54:04,872 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 16:54:04,872 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 16:54:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-12-23 16:54:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 16:54:04,896 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:04,896 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:54:04,897 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 16:54:04,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:04,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029096, now seen corresponding path program 1 times [2020-12-23 16:54:04,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:04,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148021335] [2020-12-23 16:54:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:54:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:54:05,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148021335] [2020-12-23 16:54:05,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:54:05,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 16:54:05,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026173168] [2020-12-23 16:54:05,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:54:05,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:54:05,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:54:05,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:05,151 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 3 states. [2020-12-23 16:54:05,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:54:05,283 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2020-12-23 16:54:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:54:05,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-23 16:54:05,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:54:05,297 INFO L225 Difference]: With dead ends: 55 [2020-12-23 16:54:05,297 INFO L226 Difference]: Without dead ends: 53 [2020-12-23 16:54:05,299 INFO L677 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 [2020-12-23 16:54:05,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-23 16:54:05,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-23 16:54:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-23 16:54:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2020-12-23 16:54:05,342 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 7 [2020-12-23 16:54:05,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:54:05,343 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2020-12-23 16:54:05,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:54:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2020-12-23 16:54:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 16:54:05,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:05,344 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:54:05,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 16:54:05,344 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 16:54:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:05,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1805029097, now seen corresponding path program 1 times [2020-12-23 16:54:05,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:05,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135486890] [2020-12-23 16:54:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 16:54:05,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 16:54:05,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135486890] [2020-12-23 16:54:05,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 16:54:05,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 16:54:05,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169163325] [2020-12-23 16:54:05,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 16:54:05,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 16:54:05,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 16:54:05,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:05,444 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 3 states. [2020-12-23 16:54:05,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 16:54:05,496 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2020-12-23 16:54:05,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 16:54:05,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-23 16:54:05,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 16:54:05,499 INFO L225 Difference]: With dead ends: 54 [2020-12-23 16:54:05,499 INFO L226 Difference]: Without dead ends: 54 [2020-12-23 16:54:05,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 16:54:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-12-23 16:54:05,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-12-23 16:54:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-23 16:54:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2020-12-23 16:54:05,508 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 7 [2020-12-23 16:54:05,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 16:54:05,508 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2020-12-23 16:54:05,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 16:54:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2020-12-23 16:54:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-23 16:54:05,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 16:54:05,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-23 16:54:05,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 16:54:05,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK]=== [2020-12-23 16:54:05,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 16:54:05,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1805088679, now seen corresponding path program 1 times [2020-12-23 16:54:05,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 16:54:05,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439225089] [2020-12-23 16:54:05,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 16:54:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 16:54:05,536 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 16:54:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 16:54:05,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 16:54:05,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 16:54:05,576 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 16:54:05,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 16:54:05,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:54:05 BoogieIcfgContainer [2020-12-23 16:54:05,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 16:54:05,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 16:54:05,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 16:54:05,600 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 16:54:05,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:54:04" (3/4) ... [2020-12-23 16:54:05,603 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 16:54:05,645 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/array-memsafety/reverse_array_unsafe.i-witness.graphml [2020-12-23 16:54:05,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 16:54:05,647 INFO L168 Benchmark]: Toolchain (without parser) took 2519.16 ms. Allocated memory is still 170.9 MB. Free memory was 145.1 MB in the beginning and 92.4 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.9 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,648 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 170.9 MB. Free memory was 144.7 MB in the beginning and 144.5 MB in the end (delta: 162.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 16:54:05,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.86 ms. Allocated memory is still 170.9 MB. Free memory was 144.9 MB in the beginning and 124.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.88 ms. Allocated memory is still 170.9 MB. Free memory was 124.2 MB in the beginning and 122.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,651 INFO L168 Benchmark]: Boogie Preprocessor took 72.64 ms. Allocated memory is still 170.9 MB. Free memory was 122.3 MB in the beginning and 121.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,652 INFO L168 Benchmark]: RCFGBuilder took 806.61 ms. Allocated memory is still 170.9 MB. Free memory was 121.1 MB in the beginning and 131.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,653 INFO L168 Benchmark]: TraceAbstraction took 796.92 ms. Allocated memory is still 170.9 MB. Free memory was 131.2 MB in the beginning and 93.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,654 INFO L168 Benchmark]: Witness Printer took 45.30 ms. Allocated memory is still 170.9 MB. Free memory was 93.9 MB in the beginning and 92.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 16:54:05,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 170.9 MB. Free memory was 144.7 MB in the beginning and 144.5 MB in the end (delta: 162.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 677.86 ms. Allocated memory is still 170.9 MB. Free memory was 144.9 MB in the beginning and 124.4 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 110.88 ms. Allocated memory is still 170.9 MB. Free memory was 124.2 MB in the beginning and 122.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.64 ms. Allocated memory is still 170.9 MB. Free memory was 122.3 MB in the beginning and 121.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 806.61 ms. Allocated memory is still 170.9 MB. Free memory was 121.1 MB in the beginning and 131.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 796.92 ms. Allocated memory is still 170.9 MB. Free memory was 131.2 MB in the beginning and 93.9 MB in the end (delta: 37.2 MB). Peak memory consumption was 36.7 MB. Max. memory is 8.0 GB. * Witness Printer took 45.30 ms. Allocated memory is still 170.9 MB. Free memory was 93.9 MB in the beginning and 92.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 522]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int i, j, tmp; [L516] int length = __VERIFIER_nondet_int(); [L517] COND TRUE length < 1 [L517] length = 1 [L518] COND FALSE !(length % 2 == 0) [L519] int *arr = __builtin_alloca (length); [L520] int i = 0; [L520] COND TRUE i < length [L522] arr[i] = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 23 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 103 SDslu, 6 SDs, 0 SdLazy, 40 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...