./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e --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-63182f1 [2021-11-13 23:10:15,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:10:15,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:10:15,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:10:15,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:10:15,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:10:15,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:10:15,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:10:15,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:10:15,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:10:15,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:10:15,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:10:15,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:10:15,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:10:15,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:10:15,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:10:15,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:10:15,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:10:15,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:10:15,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:10:15,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:10:15,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:10:15,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:10:15,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:10:15,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:10:15,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:10:15,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:10:15,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:10:15,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:10:15,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:10:15,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:10:15,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:10:15,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:10:15,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:10:15,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:10:15,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:10:15,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:10:15,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:10:15,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:10:15,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:10:15,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:10:15,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 23:10:15,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:10:15,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:10:15,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:10:15,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:10:15,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:10:15,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:10:15,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:10:15,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:10:15,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:10:15,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:10:15,434 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 23:10:15,434 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 23:10:15,434 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 23:10:15,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:10:15,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:10:15,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:10:15,435 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:10:15,435 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:10:15,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:10:15,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:10:15,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:10:15,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:10:15,437 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:10:15,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:10:15,437 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_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2021-11-13 23:10:15,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:10:15,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:10:15,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:10:15,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:10:15,751 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:10:15,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-11-13 23:10:15,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/data/b38f4184a/73a4d7a039154baea05aa663bcabac72/FLAGc6765fc56 [2021-11-13 23:10:16,239 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:10:16,239 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2021-11-13 23:10:16,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/data/b38f4184a/73a4d7a039154baea05aa663bcabac72/FLAGc6765fc56 [2021-11-13 23:10:16,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/data/b38f4184a/73a4d7a039154baea05aa663bcabac72 [2021-11-13 23:10:16,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:10:16,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:10:16,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:10:16,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:10:16,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:10:16,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708e9ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16, skipping insertion in model container [2021-11-13 23:10:16,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,649 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:10:16,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:10:16,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:10:16,842 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:10:16,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:10:16,872 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:10:16,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16 WrapperNode [2021-11-13 23:10:16,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:10:16,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:10:16,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:10:16,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:10:16,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:10:16,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:10:16,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:10:16,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:10:16,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:10:16,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:10:16,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:10:16,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:10:16,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:16" (1/1) ... [2021-11-13 23:10:16,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:10:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:10:17,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:10:17,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:10:17,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:10:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:10:17,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:10:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:10:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:10:17,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:10:17,347 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:10:17,348 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:10:17,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:17 BoogieIcfgContainer [2021-11-13 23:10:17,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:10:17,352 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:10:17,352 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:10:17,362 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:10:17,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:17" (1/1) ... [2021-11-13 23:10:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:10:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2021-11-13 23:10:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-13 23:10:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:10:17,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:17,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:10:17,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:10:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:10:17,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-13 23:10:17,603 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-13 23:10:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:10:17,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:10:17,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:10:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:10:17,626 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:10:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:10:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:10:17,678 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:10:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:10:17,717 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-13 23:10:17,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:10:17 ImpRootNode [2021-11-13 23:10:17,743 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:10:17,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:10:17,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:10:17,745 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:10:17,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:17" (3/4) ... [2021-11-13 23:10:17,747 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:10:17,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:10:17,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:10:17,784 INFO L158 Benchmark]: Toolchain (without parser) took 1148.62ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 56.5MB in the beginning and 83.5MB in the end (delta: -27.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:10:17,785 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:10:17,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.15ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 67.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:10:17,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.13ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 66.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:10:17,787 INFO L158 Benchmark]: Boogie Preprocessor took 49.70ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:10:17,788 INFO L158 Benchmark]: RCFGBuilder took 383.91ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 52.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:10:17,789 INFO L158 Benchmark]: CodeCheck took 392.09ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.8MB in the beginning and 85.5MB in the end (delta: -32.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-13 23:10:17,790 INFO L158 Benchmark]: Witness Printer took 38.53ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 83.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:10:17,794 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: 0.3s, 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, 19.64ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 15.82ms 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, 0.47ms 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, 0.0s 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 0.59ms. Allocated memory is still 90.2MB. Free memory was 62.9MB in the beginning and 62.9MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.15ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 67.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.13ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 66.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.70ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 64.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.91ms. Allocated memory is still 90.2MB. Free memory was 64.7MB in the beginning and 52.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 392.09ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.8MB in the beginning and 85.5MB in the end (delta: -32.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 38.53ms. Allocated memory is still 109.1MB. Free memory was 85.5MB in the beginning and 83.5MB 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! [2021-11-13 23:10:17,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc042fc0-4cf1-48a6-bfcb-70f6fd070041/bin/ukojak-2xVlg8857e/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)