./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f 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/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c -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 aeae4642ea0f346b37f312868ec7e7128e333d20 ................................................................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 19:05:37,250 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:05:37,252 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:05:37,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:05:37,272 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:05:37,273 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:05:37,276 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:05:37,286 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:05:37,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:05:37,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:05:37,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:05:37,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:05:37,294 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:05:37,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:05:37,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:05:37,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:05:37,307 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:05:37,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:05:37,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:05:37,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:05:37,322 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:05:37,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:05:37,329 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:05:37,331 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:05:37,331 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:05:37,332 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:05:37,333 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:05:37,333 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:05:37,334 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:05:37,337 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:05:37,337 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:05:37,339 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:05:37,339 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:05:37,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:05:37,340 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:05:37,341 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:05:37,341 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:05:37,371 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:05:37,371 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:05:37,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:05:37,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:05:37,373 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:05:37,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:05:37,373 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:05:37,373 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:05:37,374 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:05:37,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:05:37,376 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:05:37,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:05:37,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:05:37,377 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:05:37,377 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:05:37,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:05:37,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:05:37,378 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:05:37,379 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:05:37,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:05:37,379 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 -> aeae4642ea0f346b37f312868ec7e7128e333d20 [2019-01-14 19:05:37,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:05:37,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:05:37,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:05:37,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:05:37,443 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:05:37,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2019-01-14 19:05:37,501 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c180c9f9/896ebf826c7d435fa8f82dfb0b5d704a/FLAG404fba92c [2019-01-14 19:05:37,948 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:05:37,948 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2019-01-14 19:05:37,963 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c180c9f9/896ebf826c7d435fa8f82dfb0b5d704a/FLAG404fba92c [2019-01-14 19:05:38,316 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c180c9f9/896ebf826c7d435fa8f82dfb0b5d704a [2019-01-14 19:05:38,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:05:38,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:05:38,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:05:38,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:05:38,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:05:38,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53307116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38, skipping insertion in model container [2019-01-14 19:05:38,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:05:38,364 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:05:38,619 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:05:38,637 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:05:38,661 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:05:38,681 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:05:38,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38 WrapperNode [2019-01-14 19:05:38,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:05:38,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:05:38,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:05:38,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:05:38,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (1/1) ... [2019-01-14 19:05:38,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:05:38,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:05:38,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:05:38,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:05:38,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (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 [2019-01-14 19:05:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:05:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:05:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-01-14 19:05:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:05:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-01-14 19:05:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:05:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:05:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:05:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:05:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:05:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:05:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:05:39,313 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:05:39,314 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-14 19:05:39,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:39 BoogieIcfgContainer [2019-01-14 19:05:39,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:05:39,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:05:39,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:05:39,318 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:05:39,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:05:38" (1/3) ... [2019-01-14 19:05:39,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2f1c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:05:39, skipping insertion in model container [2019-01-14 19:05:39,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:38" (2/3) ... [2019-01-14 19:05:39,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2f1c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:05:39, skipping insertion in model container [2019-01-14 19:05:39,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:39" (3/3) ... [2019-01-14 19:05:39,322 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_false-valid-deref-read.c [2019-01-14 19:05:39,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:05:39,341 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-14 19:05:39,359 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-14 19:05:39,386 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:05:39,386 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:05:39,387 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:05:39,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:05:39,387 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:05:39,387 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:05:39,387 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:05:39,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:05:39,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:05:39,404 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-01-14 19:05:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-14 19:05:39,415 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:05:39,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:05:39,418 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr0ASSERT_VIOLATIONARRAY_INDEX, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 19:05:39,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:05:39,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1189570050, now seen corresponding path program 1 times [2019-01-14 19:05:39,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:05:39,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:05:39,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:39,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:05:39,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:05:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 19:05:39,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:05:39,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 19:05:39,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:05:39,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:05:39,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:05:39,637 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 3 states. [2019-01-14 19:05:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:05:39,753 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2019-01-14 19:05:39,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:05:39,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-14 19:05:39,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:05:39,763 INFO L225 Difference]: With dead ends: 46 [2019-01-14 19:05:39,763 INFO L226 Difference]: Without dead ends: 43 [2019-01-14 19:05:39,765 INFO L631 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 [2019-01-14 19:05:39,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-14 19:05:39,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2019-01-14 19:05:39,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-01-14 19:05:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-01-14 19:05:39,809 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 10 [2019-01-14 19:05:39,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:05:39,810 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-01-14 19:05:39,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:05:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-01-14 19:05:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 19:05:39,811 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:05:39,811 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:05:39,811 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, fooErr0ASSERT_VIOLATIONARRAY_INDEX, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-14 19:05:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:05:39,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1775375512, now seen corresponding path program 1 times [2019-01-14 19:05:39,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:05:39,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:05:39,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:39,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:05:39,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:05:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:05:39,872 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:05:39,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:05:39 BoogieIcfgContainer [2019-01-14 19:05:39,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:05:39,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:05:39,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:05:39,906 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:05:39,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:39" (3/4) ... [2019-01-14 19:05:39,909 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 19:05:39,952 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:05:39,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:05:39,953 INFO L168 Benchmark]: Toolchain (without parser) took 1632.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -140.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:39,956 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:05:39,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.91 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:39,957 INFO L168 Benchmark]: Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 19:05:39,958 INFO L168 Benchmark]: RCFGBuilder took 579.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:39,959 INFO L168 Benchmark]: TraceAbstraction took 589.98 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:39,960 INFO L168 Benchmark]: Witness Printer took 46.72 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. [2019-01-14 19:05:39,964 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.91 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.47 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 579.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 589.98 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.72 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: 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 VAL [b={1:0}, i=0] [L22] COND TRUE i < 100 VAL [b={1:0}, i=0] [L23] CALL foo(i, b, i) VAL [\old(n)=0, \old(size)=0, b={1:0}] [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=0, b={1:0}, b={1:0}, i=0, n=0, size=0] [L14] COND TRUE i < size + 1 VAL [\old(n)=0, \old(size)=0, b={1:0}, b={1:0}, i=0, n=0, size=0] [L15] a[i] VAL [\old(n)=0, \old(size)=0, b={1:0}, b={1:0}, i=0, n=0, size=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 8 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 15 SDslu, 24 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 99 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...