./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c090728bcdd499bfd732daec58c15cc1b5f2f2aa ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:45,309 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:45,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:45,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:45,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:45,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:45,321 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:45,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:45,323 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:45,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:45,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:45,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:45,325 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:45,326 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:45,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:45,327 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:45,328 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:45,329 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:45,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:45,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:45,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:45,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:45,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:45,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:45,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:45,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:45,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:45,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:45,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:45,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:45,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:45,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:45,338 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:45,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:45,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:45,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:45,340 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-18 12:32:45,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:45,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:45,351 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:32:45,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:32:45,351 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 12:32:45,352 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 12:32:45,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:32:45,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:32:45,353 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:45,353 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:32:45,353 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:32:45,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:45,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:32:45,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:32:45,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:45,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:32:45,354 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:32:45,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:32:45,354 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak 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 -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c090728bcdd499bfd732daec58c15cc1b5f2f2aa [2018-11-18 12:32:45,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:45,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:45,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:45,391 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:45,391 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:45,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-11-18 12:32:45,433 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/data/f816c6668/de212ecfce084188a873e440c12d333a/FLAG78a77d9a6 [2018-11-18 12:32:45,732 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:45,733 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/sv-benchmarks/c/array-memsafety/stroeder1_unsafe_false-valid-deref.i [2018-11-18 12:32:45,737 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/data/f816c6668/de212ecfce084188a873e440c12d333a/FLAG78a77d9a6 [2018-11-18 12:32:45,747 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/data/f816c6668/de212ecfce084188a873e440c12d333a [2018-11-18 12:32:45,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:45,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:45,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:45,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:45,753 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:45,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa4619e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45, skipping insertion in model container [2018-11-18 12:32:45,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:45,772 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:45,870 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:45,876 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:45,886 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:45,894 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:45,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45 WrapperNode [2018-11-18 12:32:45,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:45,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:45,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:45,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:45,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:45,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:45,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:45,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:45,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... [2018-11-18 12:32:45,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:45,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:45,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:45,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:45,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 12:32:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:32:46,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:46,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:46 BoogieIcfgContainer [2018-11-18 12:32:46,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:46,175 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:32:46,175 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:32:46,182 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:32:46,183 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:46" (1/1) ... [2018-11-18 12:32:46,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-18 12:32:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-18 12:32:46,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 12:32:46,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:32:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-11-18 12:32:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-11-18 12:32:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 12:32:46,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:32:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:46,377 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-11-18 12:32:46,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:32:46 ImpRootNode [2018-11-18 12:32:46,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:32:46,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:32:46,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:32:46,399 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:32:46,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:46" (3/4) ... [2018-11-18 12:32:46,400 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:32:46,428 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b48a1cbb-bcaf-41fb-a270-19286d1c95c9/bin-2019/ukojak/witness.graphml [2018-11-18 12:32:46,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:32:46,429 INFO L168 Benchmark]: Toolchain (without parser) took 680.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:46,430 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:46,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.37 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:46,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:46,432 INFO L168 Benchmark]: Boogie Preprocessor took 14.28 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:32:46,432 INFO L168 Benchmark]: RCFGBuilder took 241.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:46,433 INFO L168 Benchmark]: CodeCheck took 223.31 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:46,433 INFO L168 Benchmark]: Witness Printer took 30.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:32:46,435 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 3 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L15] int* numbers; [L16] int array_size = __VERIFIER_nondet_int(); [L17] CALL sumOfThirdBytes(numbers, array_size) [L4] int i, sum; [L5] char* p; [L6] sum = 0 [L7] i = 0 [L7] COND TRUE i < array_size [L8] p = &(numbers[i]) [L9] p = p + 2 [L10] FCALL \read(*p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.37 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.65 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.28 ms. Allocated memory is still 1.0 GB. Free memory is still 944.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 241.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 223.31 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 30.36 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...