./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.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-write.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 0dfe0f165ef563fbd088ad0368faf44ddd32870a ................................................................................................................................................................................................................................................................... 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 19:05:42,458 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 19:05:42,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 19:05:42,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 19:05:42,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 19:05:42,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 19:05:42,475 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 19:05:42,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 19:05:42,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 19:05:42,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 19:05:42,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 19:05:42,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 19:05:42,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 19:05:42,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 19:05:42,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 19:05:42,487 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 19:05:42,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 19:05:42,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 19:05:42,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 19:05:42,495 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 19:05:42,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 19:05:42,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 19:05:42,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 19:05:42,502 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 19:05:42,502 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 19:05:42,503 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 19:05:42,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 19:05:42,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 19:05:42,506 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 19:05:42,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 19:05:42,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 19:05:42,509 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 19:05:42,510 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 19:05:42,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 19:05:42,512 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 19:05:42,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 19:05:42,513 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 19:05:42,540 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 19:05:42,541 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 19:05:42,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 19:05:42,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 19:05:42,545 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 19:05:42,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 19:05:42,545 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 19:05:42,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 19:05:42,546 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 19:05:42,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 19:05:42,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 19:05:42,547 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 19:05:42,547 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 19:05:42,548 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 19:05:42,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 19:05:42,548 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 19:05:42,549 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 19:05:42,549 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 19:05:42,549 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 19:05:42,549 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 19:05:42,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 19:05:42,549 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 19:05:42,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 19:05:42,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 19:05:42,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 19:05:42,552 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 -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2019-01-14 19:05:42,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 19:05:42,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 19:05:42,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 19:05:42,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 19:05:42,641 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 19:05:42,642 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.c [2019-01-14 19:05:42,705 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa69d61/c0a9f3b53d5d4365ae914df3a1719e9d/FLAG5646401e9 [2019-01-14 19:05:43,140 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 19:05:43,142 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-write.c [2019-01-14 19:05:43,150 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa69d61/c0a9f3b53d5d4365ae914df3a1719e9d/FLAG5646401e9 [2019-01-14 19:05:43,501 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbaa69d61/c0a9f3b53d5d4365ae914df3a1719e9d [2019-01-14 19:05:43,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 19:05:43,505 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 19:05:43,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 19:05:43,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 19:05:43,510 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 19:05:43,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bc7883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43, skipping insertion in model container [2019-01-14 19:05:43,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 19:05:43,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 19:05:43,720 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:05:43,730 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 19:05:43,748 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 19:05:43,763 INFO L195 MainTranslator]: Completed translation [2019-01-14 19:05:43,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43 WrapperNode [2019-01-14 19:05:43,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 19:05:43,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 19:05:43,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 19:05:43,764 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 19:05:43,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (1/1) ... [2019-01-14 19:05:43,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 19:05:43,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 19:05:43,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 19:05:43,804 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 19:05:43,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (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 19:05:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 19:05:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 19:05:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-01-14 19:05:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 19:05:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 19:05:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 19:05:44,376 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 19:05:44,376 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-14 19:05:44,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:44 BoogieIcfgContainer [2019-01-14 19:05:44,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 19:05:44,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 19:05:44,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 19:05:44,382 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 19:05:44,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 07:05:43" (1/3) ... [2019-01-14 19:05:44,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1e81f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:05:44, skipping insertion in model container [2019-01-14 19:05:44,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 07:05:43" (2/3) ... [2019-01-14 19:05:44,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1e81f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 07:05:44, skipping insertion in model container [2019-01-14 19:05:44,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:44" (3/3) ... [2019-01-14 19:05:44,386 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_false-valid-deref-write.c [2019-01-14 19:05:44,395 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 19:05:44,404 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-14 19:05:44,418 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-14 19:05:44,442 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 19:05:44,442 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 19:05:44,443 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 19:05:44,443 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 19:05:44,443 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 19:05:44,443 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 19:05:44,443 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 19:05:44,443 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 19:05:44,443 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 19:05:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-01-14 19:05:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-14 19:05:44,467 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:05:44,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:05:44,471 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONARRAY_INDEX, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 19:05:44,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:05:44,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1909189377, now seen corresponding path program 1 times [2019-01-14 19:05:44,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:05:44,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:05:44,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:44,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:05:44,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 19:05:44,643 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 19:05:44,645 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 19:05:44,645 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 19:05:44,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-14 19:05:44,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 19:05:44,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 19:05:44,662 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 3 states. [2019-01-14 19:05:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 19:05:44,850 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2019-01-14 19:05:44,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 19:05:44,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-14 19:05:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 19:05:44,861 INFO L225 Difference]: With dead ends: 58 [2019-01-14 19:05:44,861 INFO L226 Difference]: Without dead ends: 54 [2019-01-14 19:05:44,864 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 19:05:44,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-01-14 19:05:44,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2019-01-14 19:05:44,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-01-14 19:05:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2019-01-14 19:05:44,902 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 10 [2019-01-14 19:05:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 19:05:44,903 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2019-01-14 19:05:44,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-14 19:05:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-01-14 19:05:44,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 19:05:44,904 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 19:05:44,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 19:05:44,904 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONARRAY_INDEX, fooErr1REQUIRES_VIOLATION, fooErr2REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION]=== [2019-01-14 19:05:44,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 19:05:44,905 INFO L82 PathProgramCache]: Analyzing trace with hash -941983064, now seen corresponding path program 1 times [2019-01-14 19:05:44,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 19:05:44,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 19:05:44,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:44,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 19:05:44,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 19:05:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:05:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 19:05:44,968 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 19:05:44,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 07:05:44 BoogieIcfgContainer [2019-01-14 19:05:44,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 19:05:44,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 19:05:44,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 19:05:44,996 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 19:05:44,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 07:05:44" (3/4) ... [2019-01-14 19:05:45,001 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 19:05:45,043 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 19:05:45,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 19:05:45,044 INFO L168 Benchmark]: Toolchain (without parser) took 1539.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -131.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:45,046 INFO L168 Benchmark]: CDTParser took 0.60 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. [2019-01-14 19:05:45,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.17 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. [2019-01-14 19:05:45,048 INFO L168 Benchmark]: Boogie Preprocessor took 39.48 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. [2019-01-14 19:05:45,048 INFO L168 Benchmark]: RCFGBuilder took 573.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:45,049 INFO L168 Benchmark]: TraceAbstraction took 617.36 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-01-14 19:05:45,050 INFO L168 Benchmark]: Witness Printer took 47.22 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 19:05:45,057 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 257.17 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 39.48 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 573.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 617.36 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 47.22 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 + 1) VAL [\old(n)=0, \old(size)=1, b={1:0}] [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=1, b={1:0}, b={1:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, b={1:0}, b={1:0}, i=0, n=0, size=1] [L15] a[i] VAL [\old(n)=0, \old(size)=1, b={1:0}, b={1:0}, i=0, n=0, size=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 40 locations, 8 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 15 SDslu, 29 SDs, 0 SdLazy, 22 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=40occurred 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, 15 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...