./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 [2019-01-13 22:54:03,631 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 22:54:03,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 22:54:03,646 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 22:54:03,646 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 22:54:03,647 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 22:54:03,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 22:54:03,651 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 22:54:03,653 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 22:54:03,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 22:54:03,654 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 22:54:03,655 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 22:54:03,656 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 22:54:03,657 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 22:54:03,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 22:54:03,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 22:54:03,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 22:54:03,663 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 22:54:03,665 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 22:54:03,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 22:54:03,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 22:54:03,669 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 22:54:03,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 22:54:03,673 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 22:54:03,673 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 22:54:03,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 22:54:03,676 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 22:54:03,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 22:54:03,677 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 22:54:03,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 22:54:03,679 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 22:54:03,679 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 22:54:03,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 22:54:03,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 22:54:03,682 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 22:54:03,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 22:54:03,683 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 22:54:03,698 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 22:54:03,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 22:54:03,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 22:54:03,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 22:54:03,700 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 22:54:03,701 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 22:54:03,701 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 22:54:03,702 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 22:54:03,703 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 22:54:03,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 22:54:03,703 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 22:54:03,703 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 22:54:03,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 22:54:03,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 22:54:03,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 22:54:03,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 22:54:03,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 22:54:03,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 22:54:03,704 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 22:54:03,705 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 22:54:03,707 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 22:54:03,707 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 [2019-01-13 22:54:03,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 22:54:03,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 22:54:03,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 22:54:03,761 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 22:54:03,761 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 22:54:03,762 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2019-01-13 22:54:03,817 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51305be/9ab4f6d1bbfe49ed8fbbc2b2280a38e0/FLAG9c5dc28ab [2019-01-13 22:54:04,258 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 22:54:04,259 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength_false-valid-deref-read.c [2019-01-13 22:54:04,266 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51305be/9ab4f6d1bbfe49ed8fbbc2b2280a38e0/FLAG9c5dc28ab [2019-01-13 22:54:04,612 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51305be/9ab4f6d1bbfe49ed8fbbc2b2280a38e0 [2019-01-13 22:54:04,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 22:54:04,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 22:54:04,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 22:54:04,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 22:54:04,631 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 22:54:04,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37fb7911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04, skipping insertion in model container [2019-01-13 22:54:04,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 22:54:04,664 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 22:54:04,883 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:54:04,897 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 22:54:04,918 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 22:54:04,936 INFO L195 MainTranslator]: Completed translation [2019-01-13 22:54:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04 WrapperNode [2019-01-13 22:54:04,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 22:54:04,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 22:54:04,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 22:54:04,938 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 22:54:04,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (1/1) ... [2019-01-13 22:54:04,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 22:54:04,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 22:54:04,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 22:54:04,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 22:54:04,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (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 [2019-01-13 22:54:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 22:54:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 22:54:05,104 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-01-13 22:54:05,105 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 22:54:05,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 22:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 22:54:05,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 22:54:05,636 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 22:54:05,637 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-13 22:54:05,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:54:05 BoogieIcfgContainer [2019-01-13 22:54:05,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 22:54:05,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 22:54:05,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 22:54:05,645 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 22:54:05,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 10:54:04" (1/3) ... [2019-01-13 22:54:05,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd56b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:54:05, skipping insertion in model container [2019-01-13 22:54:05,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 10:54:04" (2/3) ... [2019-01-13 22:54:05,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cd56b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 10:54:05, skipping insertion in model container [2019-01-13 22:54:05,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:54:05" (3/3) ... [2019-01-13 22:54:05,649 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength_false-valid-deref-read.c [2019-01-13 22:54:05,659 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 22:54:05,667 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-13 22:54:05,685 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-13 22:54:05,711 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 22:54:05,712 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 22:54:05,712 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 22:54:05,712 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 22:54:05,712 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 22:54:05,712 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 22:54:05,712 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 22:54:05,713 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 22:54:05,713 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 22:54:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2019-01-13 22:54:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-13 22:54:05,740 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:54:05,741 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:54:05,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [fooErr2REQUIRES_VIOLATION, fooErr0ASSERT_VIOLATIONARRAY_INDEX, fooErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-01-13 22:54:05,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:54:05,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1189570050, now seen corresponding path program 1 times [2019-01-13 22:54:05,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:54:05,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:54:05,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:54:05,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:54:05,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:54:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 22:54:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 22:54:05,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 22:54:05,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 22:54:05,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 22:54:05,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 22:54:05,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 22:54:05,929 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 3 states. [2019-01-13 22:54:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 22:54:06,047 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2019-01-13 22:54:06,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 22:54:06,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-13 22:54:06,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 22:54:06,059 INFO L225 Difference]: With dead ends: 46 [2019-01-13 22:54:06,059 INFO L226 Difference]: Without dead ends: 43 [2019-01-13 22:54:06,062 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 [2019-01-13 22:54:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-01-13 22:54:06,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2019-01-13 22:54:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-01-13 22:54:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-01-13 22:54:06,107 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 10 [2019-01-13 22:54:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 22:54:06,107 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-01-13 22:54:06,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 22:54:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-01-13 22:54:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-13 22:54:06,108 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 22:54:06,108 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 22:54:06,109 INFO L423 AbstractCegarLoop]: === Iteration 2 === [fooErr2REQUIRES_VIOLATION, fooErr0ASSERT_VIOLATIONARRAY_INDEX, fooErr1REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr3REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-01-13 22:54:06,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 22:54:06,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1775375512, now seen corresponding path program 1 times [2019-01-13 22:54:06,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 22:54:06,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 22:54:06,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:54:06,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 22:54:06,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 22:54:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:54:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 22:54:06,180 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 22:54:06,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 10:54:06 BoogieIcfgContainer [2019-01-13 22:54:06,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 22:54:06,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 22:54:06,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 22:54:06,212 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 22:54:06,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 10:54:05" (3/4) ... [2019-01-13 22:54:06,216 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 22:54:06,278 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 22:54:06,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 22:54:06,286 INFO L168 Benchmark]: Toolchain (without parser) took 1666.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -114.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-01-13 22:54:06,290 INFO L168 Benchmark]: CDTParser took 0.17 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. [2019-01-13 22:54:06,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.18 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. [2019-01-13 22:54:06,296 INFO L168 Benchmark]: Boogie Preprocessor took 51.11 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. [2019-01-13 22:54:06,296 INFO L168 Benchmark]: RCFGBuilder took 651.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-13 22:54:06,297 INFO L168 Benchmark]: TraceAbstraction took 570.28 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-01-13 22:54:06,300 INFO L168 Benchmark]: Witness Printer took 73.40 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-13 22:54:06,307 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 314.18 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 51.11 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 651.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -151.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 570.28 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Witness Printer took 73.40 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: 6.7 MB). Peak memory consumption was 6.7 MB. 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...