/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/ldv-memsafety/ArraysOfVariableLength_-write.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 17:10:57,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:10:57,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:10:57,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:10:57,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:10:57,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:10:57,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:10:57,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:10:57,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:10:57,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:10:57,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:10:57,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:10:57,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:10:57,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:10:57,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:10:57,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:10:57,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:10:57,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:10:57,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:10:57,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:10:57,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:10:57,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:10:57,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:10:57,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:10:57,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:10:57,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:10:57,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:10:57,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:10:57,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:10:57,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:10:57,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:10:57,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:10:57,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:10:57,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:10:57,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:10:57,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:10:57,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:10:57,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:10:57,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:10:57,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:10:57,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:10:57,540 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 17:10:57,570 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:10:57,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:10:57,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:10:57,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:10:57,573 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:10:57,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:10:57,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:10:57,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:10:57,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:10:57,574 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:10:57,574 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:10:57,574 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:10:57,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:10:57,575 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:10:57,575 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:10:57,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:10:57,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:10:57,576 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:10:57,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:10:57,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:10:57,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:10:57,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:10:57,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:10:57,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:10:57,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:10:58,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:10:58,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:10:58,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:10:58,063 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:10:58,066 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:10:58,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-23 17:10:58,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3bb96c03e/1de03d39a79743cfa90fe1f3433191da/FLAG5c9cb2b07 [2020-12-23 17:10:58,845 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:10:58,846 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-23 17:10:58,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3bb96c03e/1de03d39a79743cfa90fe1f3433191da/FLAG5c9cb2b07 [2020-12-23 17:10:59,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3bb96c03e/1de03d39a79743cfa90fe1f3433191da [2020-12-23 17:10:59,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:10:59,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:10:59,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:10:59,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:10:59,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:10:59,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6c9c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59, skipping insertion in model container [2020-12-23 17:10:59,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:10:59,264 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~a~0,],[IdentifierExpression[~i~0,]]] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~b~0,],[IdentifierExpression[~i~1,]]] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 17:10:59,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:10:59,448 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: ArrayLHS[VariableLHS[~a~0,],[IdentifierExpression[~i~0,]]] left hand side expression in assignment: lhs: VariableLHS[~i~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#b~0,],base],BinaryExpression[ARITHPLUS,StructAccessExpression[IdentifierExpression[~#b~0,],offset],BinaryExpression[ARITHMUL,IntegerLiteral[4],IdentifierExpression[~i~1,]]]]] left hand side expression in assignment: lhs: VariableLHS[~i~1,] [2020-12-23 17:10:59,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:10:59,487 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:10:59,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59 WrapperNode [2020-12-23 17:10:59,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:10:59,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:10:59,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:10:59,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:10:59,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:10:59,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:10:59,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:10:59,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:10:59,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (1/1) ... [2020-12-23 17:10:59,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:10:59,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:10:59,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:10:59,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:10:59,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (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 17:10:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 17:10:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:10:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:10:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 17:10:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 17:10:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 17:11:00,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:11:00,082 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-23 17:11:00,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:11:00 BoogieIcfgContainer [2020-12-23 17:11:00,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:11:00,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:11:00,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:11:00,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:11:00,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:10:59" (1/3) ... [2020-12-23 17:11:00,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6e3bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:11:00, skipping insertion in model container [2020-12-23 17:11:00,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:10:59" (2/3) ... [2020-12-23 17:11:00,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6e3bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:11:00, skipping insertion in model container [2020-12-23 17:11:00,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:11:00" (3/3) ... [2020-12-23 17:11:00,096 INFO L111 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_-write.c [2020-12-23 17:11:00,114 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:11:00,130 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-23 17:11:00,180 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-23 17:11:00,207 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:11:00,207 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:11:00,207 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:11:00,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:11:00,208 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:11:00,208 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:11:00,208 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:11:00,208 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:11:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-12-23 17:11:00,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-23 17:11:00,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:11:00,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-23 17:11:00,235 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONARRAY_INDEX, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-23 17:11:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:11:00,242 INFO L82 PathProgramCache]: Analyzing trace with hash 28698920, now seen corresponding path program 1 times [2020-12-23 17:11:00,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:11:00,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16367161] [2020-12-23 17:11:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:11:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:11:00,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:11:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 17:11:00,410 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 17:11:00,436 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 17:11:00,436 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 17:11:00,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:11:00,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:11:00 BoogieIcfgContainer [2020-12-23 17:11:00,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:11:00,463 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:11:00,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:11:00,464 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:11:00,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:11:00" (3/4) ... [2020-12-23 17:11:00,467 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 17:11:00,511 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_-write.c-witness.graphml [2020-12-23 17:11:00,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:11:00,514 INFO L168 Benchmark]: Toolchain (without parser) took 1311.78 ms. Allocated memory is still 158.3 MB. Free memory was 116.1 MB in the beginning and 114.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,515 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 158.3 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:11:00,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.77 ms. Allocated memory is still 158.3 MB. Free memory was 116.0 MB in the beginning and 133.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 158.3 MB. Free memory was 133.6 MB in the beginning and 132.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,518 INFO L168 Benchmark]: Boogie Preprocessor took 29.94 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 130.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,519 INFO L168 Benchmark]: RCFGBuilder took 522.80 ms. Allocated memory is still 158.3 MB. Free memory was 130.7 MB in the beginning and 127.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,520 INFO L168 Benchmark]: TraceAbstraction took 375.95 ms. Allocated memory is still 158.3 MB. Free memory was 127.3 MB in the beginning and 115.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,521 INFO L168 Benchmark]: Witness Printer took 48.13 ms. Allocated memory is still 158.3 MB. Free memory was 115.7 MB in the beginning and 114.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:11:00,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 158.3 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 283.77 ms. Allocated memory is still 158.3 MB. Free memory was 116.0 MB in the beginning and 133.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.01 ms. Allocated memory is still 158.3 MB. Free memory was 133.6 MB in the beginning and 132.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.94 ms. Allocated memory is still 158.3 MB. Free memory was 132.0 MB in the beginning and 130.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 522.80 ms. Allocated memory is still 158.3 MB. Free memory was 130.7 MB in the beginning and 127.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 375.95 ms. Allocated memory is still 158.3 MB. Free memory was 127.3 MB in the beginning and 115.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Witness Printer took 48.13 ms. Allocated memory is still 158.3 MB. Free memory was 115.7 MB in the beginning and 114.0 MB in the end (delta: 1.8 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: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...