./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c090728bcdd499bfd732daec58c15cc1b5f2f2aa .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:43:13,315 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:43:13,317 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:43:13,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:43:13,336 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:43:13,337 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:43:13,339 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:43:13,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:43:13,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:43:13,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:43:13,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:43:13,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:43:13,346 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:43:13,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:43:13,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:43:13,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:43:13,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:43:13,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:43:13,355 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:43:13,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:43:13,359 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:43:13,360 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:43:13,363 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:43:13,364 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:43:13,364 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:43:13,365 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:43:13,367 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:43:13,367 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:43:13,369 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:43:13,370 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:43:13,370 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:43:13,371 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:43:13,372 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:43:13,372 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:43:13,373 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:43:13,374 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:43:13,375 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:43:13,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:43:13,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:43:13,396 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:43:13,396 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:43:13,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:43:13,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:43:13,398 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:43:13,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:43:13,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:43:13,398 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:43:13,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:43:13,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:43:13,399 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:43:13,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:43:13,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:43:13,402 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:43:13,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:43:13,402 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:43:13,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:43:13,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:43:13,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:43:13,403 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:43:13,404 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:43:13,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c090728bcdd499bfd732daec58c15cc1b5f2f2aa [2018-11-28 22:43:13,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:43:13,456 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:43:13,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:43:13,462 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:43:13,463 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:43:13,465 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-11-28 22:43:13,528 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34493da78/730a43d39dac4e5d9717ebda3abe7ae5/FLAG3ead9d8df [2018-11-28 22:43:13,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:43:13,937 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-11-28 22:43:13,943 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34493da78/730a43d39dac4e5d9717ebda3abe7ae5/FLAG3ead9d8df [2018-11-28 22:43:14,328 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34493da78/730a43d39dac4e5d9717ebda3abe7ae5 [2018-11-28 22:43:14,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:43:14,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:43:14,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:14,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:43:14,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:43:14,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b87525c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14, skipping insertion in model container [2018-11-28 22:43:14,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:43:14,377 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:43:14,595 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:14,616 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:43:14,639 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:14,662 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:43:14,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14 WrapperNode [2018-11-28 22:43:14,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:14,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:43:14,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:43:14,666 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:43:14,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (1/1) ... [2018-11-28 22:43:14,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:43:14,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:43:14,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:43:14,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:43:14,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (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 [2018-11-28 22:43:14,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:43:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:43:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure sumOfThirdBytes [2018-11-28 22:43:14,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:43:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:43:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure sumOfThirdBytes [2018-11-28 22:43:14,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:43:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:43:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:43:14,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:43:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:43:14,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:43:15,192 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:43:15,193 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 22:43:15,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:15 BoogieIcfgContainer [2018-11-28 22:43:15,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:43:15,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:43:15,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:43:15,206 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:43:15,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:43:14" (1/3) ... [2018-11-28 22:43:15,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5f9024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:15, skipping insertion in model container [2018-11-28 22:43:15,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:14" (2/3) ... [2018-11-28 22:43:15,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5f9024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:15, skipping insertion in model container [2018-11-28 22:43:15,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:15" (3/3) ... [2018-11-28 22:43:15,212 INFO L112 eAbstractionObserver]: Analyzing ICFG stroeder1_unsafe_false-valid-deref.i [2018-11-28 22:43:15,227 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:43:15,236 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 22:43:15,270 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 22:43:15,298 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:43:15,299 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:43:15,299 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:43:15,299 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:43:15,299 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:43:15,299 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:43:15,299 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:43:15,300 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:43:15,301 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:43:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-28 22:43:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 22:43:15,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:15,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:15,334 INFO L423 AbstractCegarLoop]: === Iteration 1 === [sumOfThirdBytesErr1REQUIRES_VIOLATION, sumOfThirdBytesErr0REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:15,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:15,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1028467452, now seen corresponding path program 1 times [2018-11-28 22:43:15,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:15,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:15,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:15,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:15,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:43:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 22:43:15,481 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 22:43:15,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:43:15 BoogieIcfgContainer [2018-11-28 22:43:15,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:43:15,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:43:15,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:43:15,510 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:43:15,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:15" (3/4) ... [2018-11-28 22:43:15,515 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 22:43:15,567 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:43:15,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:43:15,568 INFO L168 Benchmark]: Toolchain (without parser) took 1234.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:15,570 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:15,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:15,572 INFO L168 Benchmark]: Boogie Preprocessor took 60.27 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:15,572 INFO L168 Benchmark]: RCFGBuilder took 467.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:15,573 INFO L168 Benchmark]: TraceAbstraction took 314.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:15,575 INFO L168 Benchmark]: Witness Printer took 57.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:15,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.83 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.27 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 314.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Witness Printer took 57.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL sumOfThirdBytes(numbers, array_size) VAL [\old(array_size)=1, numbers={4:-2}] [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 VAL [\old(array_size)=1, array_size=1, i=0, numbers={4:-2}, numbers={4:-2}, sum=0] [L7] COND TRUE i < array_size [L8] p = &(numbers[i]) [L9] p = p + 2 VAL [\old(array_size)=1, array_size=1, i=0, numbers={4:-2}, numbers={4:-2}, p={4:0}, sum=0] [L10] \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 23 locations, 3 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...