./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB --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 5eaae4e0e100231882d4e227389aa6df1e49e6fa56c0a085febf2800aa4ad8fe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:46,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:46,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:46,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:46,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:46,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:46,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:46,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:46,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:46,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:46,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:46,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:46,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:46,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:46,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:46,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:46,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:46,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:46,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:46,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:46,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:46,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:46,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:46,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:46,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:46,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:46,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:46,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:46,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:46,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:46,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:46,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:46,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:46,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:46,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:46,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:46,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:46,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:46,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:46,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:46,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:46,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:00:46,555 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:46,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:46,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:46,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:46,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:46,558 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:46,559 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:46,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:46,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:46,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:46,560 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:00:46,561 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:00:46,561 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:00:46,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:46,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:46,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:46,562 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:46,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:46,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:46,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:46,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:46,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:46,564 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:46,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:46,564 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_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaae4e0e100231882d4e227389aa6df1e49e6fa56c0a085febf2800aa4ad8fe [2022-10-17 17:00:46,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:46,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:46,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:46,897 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:46,898 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:46,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c [2022-10-17 17:00:46,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/data/e2136d1dc/4c2cd2b07db742a9b7e23c8b6dfe8a18/FLAG87a16b7ac [2022-10-17 17:00:47,424 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:47,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/sv-benchmarks/c/array-memsafety/bubblesort_unsafe.c [2022-10-17 17:00:47,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/data/e2136d1dc/4c2cd2b07db742a9b7e23c8b6dfe8a18/FLAG87a16b7ac [2022-10-17 17:00:47,452 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/data/e2136d1dc/4c2cd2b07db742a9b7e23c8b6dfe8a18 [2022-10-17 17:00:47,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:47,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:47,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:47,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:47,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:47,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3349afe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47, skipping insertion in model container [2022-10-17 17:00:47,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:47,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:47,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:47,702 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:47,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:47,734 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:47,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47 WrapperNode [2022-10-17 17:00:47,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:47,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:47,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:47,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:47,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,790 INFO L138 Inliner]: procedures = 8, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-10-17 17:00:47,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:47,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:47,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:47,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:47,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:47,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:47,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:47,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:47,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:47" (1/1) ... [2022-10-17 17:00:47,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:47,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:47,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:47,973 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:47,975 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:48,197 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:48,263 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:48,263 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:48,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:48 BoogieIcfgContainer [2022-10-17 17:00:48,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:48,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:48,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:48,290 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:48,290 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:48" (1/1) ... [2022-10-17 17:00:48,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-10-17 17:00:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-10-17 17:00:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 17:00:48,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2022-10-17 17:00:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-10-17 17:00:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:00:48,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:48,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:48,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:00:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:48,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:00:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:00:48,764 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 17:00:48,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:00:48 ImpRootNode [2022-10-17 17:00:48,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:00:48,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:00:48,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:00:48,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:00:48,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:48" (3/4) ... [2022-10-17 17:00:48,803 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:00:48,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:00:48,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:00:48,837 INFO L158 Benchmark]: Toolchain (without parser) took 1379.46ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 69.9MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:48,837 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:48,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.03ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 78.3MB in the end (delta: -32.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-10-17 17:00:48,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.98ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:48,840 INFO L158 Benchmark]: Boogie Preprocessor took 36.83ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:48,840 INFO L158 Benchmark]: RCFGBuilder took 436.58ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 62.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:48,842 INFO L158 Benchmark]: CodeCheck took 531.27ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 71.4MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:48,843 INFO L158 Benchmark]: Witness Printer took 35.63ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:48,847 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, 26 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L19] int* numbers; [L20] int array_size = __VERIFIER_nondet_int(); [L21] CALL bubbleSort(numbers, array_size) [L5] int i, j, temp; [L7] i = (array_size - 1) VAL [\old(array_size)=2, array_size=2, i=1, numbers={3:5}, numbers={3:5}] [L7] COND TRUE i >= 0 [L8] j = 1 VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={3:5}, numbers={3:5}] [L8] COND TRUE j <= i VAL [\old(array_size)=2, array_size=2, i=1, j=1, numbers={3:5}, numbers={3:5}] [L9] numbers[j-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 61.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.03ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 78.3MB in the end (delta: -32.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.98ms. Allocated memory is still 102.8MB. Free memory was 78.3MB in the beginning and 76.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.83ms. Allocated memory is still 102.8MB. Free memory was 76.7MB in the beginning and 75.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.58ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 62.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 531.27ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 71.4MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.63ms. Allocated memory is still 102.8MB. Free memory was 71.4MB in the beginning and 69.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:00:48,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d02ca45-aa78-4761-ae56-d0de19f335a3/bin/ukojak-92XMlrwhuB/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)