/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-dev-4f750a8 [2020-12-22 19:18:10,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:18:10,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:18:10,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:18:10,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:18:10,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:18:10,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:18:10,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:18:10,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:18:10,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:18:10,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:18:10,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:18:10,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:18:10,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:18:10,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:18:10,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:18:10,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:18:10,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:18:10,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:18:10,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:18:10,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:18:10,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:18:10,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:18:10,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:18:10,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 19:18:10,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:18:10,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:18:10,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:18:10,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:18:10,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:18:10,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:18:10,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:18:10,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:18:10,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:18:10,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:18:10,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:18:10,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:18:10,840 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:18:10,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:18:10,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:18:10,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:18:10,845 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:18:10,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:18:10,845 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:18:10,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:18:10,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:18:10,846 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:18:10,847 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:18:10,847 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:18:10,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:18:10,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:18:10,848 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:18:10,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:18:10,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:18:10,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:18:10,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:18:10,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:18:10,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:18:10,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:18:10,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:18:10,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:18:10,850 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:18:11,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:18:11,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:18:11,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:18:11,311 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:18:11,312 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:18:11,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-22 19:18:11,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b8594a5/6100f6c9ccf243c5829d38f6a4bef89f/FLAG179a58775 [2020-12-22 19:18:12,011 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:18:12,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-22 19:18:12,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b8594a5/6100f6c9ccf243c5829d38f6a4bef89f/FLAG179a58775 [2020-12-22 19:18:12,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26b8594a5/6100f6c9ccf243c5829d38f6a4bef89f [2020-12-22 19:18:12,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:18:12,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:18:12,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:18:12,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:18:12,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:18:12,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c58304b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12, skipping insertion in model container [2020-12-22 19:18:12,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:18:12,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:18:12,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:18:12,668 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:18:12,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:18:12,703 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:18:12,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12 WrapperNode [2020-12-22 19:18:12,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:18:12,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:18:12,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:18:12,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:18:12,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:18:12,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:18:12,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:18:12,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:18:12,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... [2020-12-22 19:18:12,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:18:12,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:18:12,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:18:12,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:18:12,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (1/1) ... No working directory specified, using /storage/repos/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 [2020-12-22 19:18:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 19:18:12,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:18:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:18:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 19:18:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:18:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:18:13,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:18:13,244 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-22 19:18:13,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:13 BoogieIcfgContainer [2020-12-22 19:18:13,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:18:13,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:18:13,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:18:13,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:18:13,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:18:12" (1/3) ... [2020-12-22 19:18:13,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb8438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:18:13, skipping insertion in model container [2020-12-22 19:18:13,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:18:12" (2/3) ... [2020-12-22 19:18:13,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bb8438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:18:13, skipping insertion in model container [2020-12-22 19:18:13,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:13" (3/3) ... [2020-12-22 19:18:13,262 INFO L111 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_-write.c [2020-12-22 19:18:13,270 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:18:13,275 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-22 19:18:13,301 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-22 19:18:13,376 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:18:13,377 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:18:13,377 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:18:13,377 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:18:13,377 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:18:13,377 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:18:13,377 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:18:13,378 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:18:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-12-22 19:18:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-22 19:18:13,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:18:13,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-22 19:18:13,412 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]=== [2020-12-22 19:18:13,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:18:13,419 INFO L82 PathProgramCache]: Analyzing trace with hash 28698920, now seen corresponding path program 1 times [2020-12-22 19:18:13,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:18:13,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53947876] [2020-12-22 19:18:13,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:18:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:18:13,558 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:18:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:18:13,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:18:13,614 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 19:18:13,616 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 19:18:13,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:18:13,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:18:13 BoogieIcfgContainer [2020-12-22 19:18:13,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:18:13,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:18:13,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:18:13,652 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:18:13,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:18:13" (3/4) ... [2020-12-22 19:18:13,656 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 19:18:13,718 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_-write.c-witness.graphml [2020-12-22 19:18:13,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:18:13,722 INFO L168 Benchmark]: Toolchain (without parser) took 1319.36 ms. Allocated memory is still 161.5 MB. Free memory was 136.0 MB in the beginning and 132.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,722 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 161.5 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:18:13,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.52 ms. Allocated memory is still 161.5 MB. Free memory was 135.8 MB in the beginning and 126.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,728 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 161.5 MB. Free memory was 126.6 MB in the beginning and 125.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,734 INFO L168 Benchmark]: Boogie Preprocessor took 29.50 ms. Allocated memory is still 161.5 MB. Free memory was 125.2 MB in the beginning and 124.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,736 INFO L168 Benchmark]: RCFGBuilder took 467.88 ms. Allocated memory is still 161.5 MB. Free memory was 124.1 MB in the beginning and 109.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,737 INFO L168 Benchmark]: TraceAbstraction took 399.67 ms. Allocated memory is still 161.5 MB. Free memory was 108.5 MB in the beginning and 133.8 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:18:13,738 INFO L168 Benchmark]: Witness Printer took 66.76 ms. Allocated memory is still 161.5 MB. Free memory was 133.8 MB in the beginning and 132.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:18:13,752 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 161.5 MB. Free memory is still 136.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 298.52 ms. Allocated memory is still 161.5 MB. Free memory was 135.8 MB in the beginning and 126.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 161.5 MB. Free memory was 126.6 MB in the beginning and 125.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.50 ms. Allocated memory is still 161.5 MB. Free memory was 125.2 MB in the beginning and 124.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 467.88 ms. Allocated memory is still 161.5 MB. Free memory was 124.1 MB in the beginning and 109.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 399.67 ms. Allocated memory is still 161.5 MB. Free memory was 108.5 MB in the beginning and 133.8 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 66.76 ms. Allocated memory is still 161.5 MB. Free memory was 133.8 MB in the beginning and 132.3 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: 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...