./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ --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 eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:31:43,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:31:43,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:31:43,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:31:43,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:31:43,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:31:43,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:31:43,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:31:43,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:31:43,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:31:43,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:31:43,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:31:43,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:31:43,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:31:43,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:31:43,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:31:43,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:31:43,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:31:43,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:31:43,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:31:43,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:31:43,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:31:43,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:31:43,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:31:43,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:31:43,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:31:43,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:31:43,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:31:43,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:31:43,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:31:43,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:31:43,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:31:43,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:31:43,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:31:43,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:31:43,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:31:43,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:31:43,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:31:43,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:31:43,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:31:43,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:31:43,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:31:43,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:31:43,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:31:43,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:31:43,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:31:43,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:31:43,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:31:43,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:31:43,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:31:43,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:31:43,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:31:43,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:31:43,502 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:31:43,503 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:31:43,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:31:43,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:31:43,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:31:43,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:31:43,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:31:43,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:31:43,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:43,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:31:43,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:31:43,505 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:31:43,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:31:43,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2021-11-23 01:31:43,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:31:43,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:31:43,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:31:43,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:31:43,817 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:31:43,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-11-23 01:31:43,934 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/data/b9e0ca01c/90dc4c13f8b342b9a34951dd1fd59c34/FLAGbd0e472be [2021-11-23 01:31:44,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:31:44,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-11-23 01:31:44,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/data/b9e0ca01c/90dc4c13f8b342b9a34951dd1fd59c34/FLAGbd0e472be [2021-11-23 01:31:44,817 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/data/b9e0ca01c/90dc4c13f8b342b9a34951dd1fd59c34 [2021-11-23 01:31:44,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:31:44,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:31:44,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:44,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:31:44,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:31:44,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:44" (1/1) ... [2021-11-23 01:31:44,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6397ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:44, skipping insertion in model container [2021-11-23 01:31:44,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:44" (1/1) ... [2021-11-23 01:31:44,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:31:44,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:31:45,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:45,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:31:45,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:31:45,062 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:31:45,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45 WrapperNode [2021-11-23 01:31:45,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:31:45,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:45,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:31:45,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:31:45,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,099 INFO L137 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2021-11-23 01:31:45,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:31:45,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:31:45,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:31:45,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:31:45,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:31:45,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:31:45,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:31:45,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:31:45,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:31:45,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:31:45,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:31:45,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:31:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:31:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:31:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:31:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:31:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:31:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:31:45,278 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:31:45,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:31:45,489 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:31:45,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:31:45,563 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:31:45,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:45 BoogieIcfgContainer [2021-11-23 01:31:45,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:31:45,566 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:31:45,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:31:45,578 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:31:45,578 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:45" (1/1) ... [2021-11-23 01:31:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:31:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-23 01:31:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-23 01:31:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:31:45,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:45,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-23 01:31:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-23 01:31:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:31:45,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:45,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:31:45,974 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:31:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:31:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:31:46,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:31:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:31:46,061 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-23 01:31:46,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:31:46 ImpRootNode [2021-11-23 01:31:46,089 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:31:46,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:31:46,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:31:46,090 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:31:46,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:45" (3/4) ... [2021-11-23 01:31:46,092 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:31:46,123 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:31:46,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:31:46,124 INFO L158 Benchmark]: Toolchain (without parser) took 1303.23ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 61.1MB in the end (delta: 22.8MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,125 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 81.8MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:46,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.47ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 93.3MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.59ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,130 INFO L158 Benchmark]: Boogie Preprocessor took 23.77ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 90.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:31:46,132 INFO L158 Benchmark]: RCFGBuilder took 440.73ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 78.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,132 INFO L158 Benchmark]: CodeCheck took 522.48ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,133 INFO L158 Benchmark]: Witness Printer took 33.74ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:31:46,136 INFO L339 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, 19 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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={2:0}, i=0] [L22] COND TRUE i < 100 [L23] CALL foo(i, b, i + 1) [L13] int a[n], i; [L14] i = 0 VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] [L15] a[i] VAL [\old(n)=0, \old(size)=1, b={2:0}, b={2:0}, i=0, n=0, size=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 81.8MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.47ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 93.3MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.59ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.77ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 90.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.73ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 78.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 522.48ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 63.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 33.74ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 61.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:31:46,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7bed933-c815-45c7-8ee9-fb42f4248b05/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)