./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 0.2.5-dev-a016563 [2024-11-08 23:35:15,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:35:15,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:35:15,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:35:15,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:35:15,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:35:15,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:35:15,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:35:15,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:35:15,925 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:35:15,925 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:35:15,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:35:15,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:35:15,929 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:35:15,930 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:35:15,930 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:35:15,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:35:15,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:35:15,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:35:15,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:35:15,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:35:15,936 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:35:15,936 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:35:15,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:35:15,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:35:15,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:15,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:35:15,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:35:15,940 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:35:15,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:35:15,941 INFO L153 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_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec160cf4b60485a1055f4c0493c31fb16faea97df24f3bbd4c282065dca8c74 [2024-11-08 23:35:16,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:35:16,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:35:16,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:35:16,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:35:16,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:35:16,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c Unable to find full path for "g++" [2024-11-08 23:35:18,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:35:18,547 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:35:18,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2024-11-08 23:35:18,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/data/2a091ad43/f28e9c67cbf244f2b43bd6b52bff0bd2/FLAG305201eb4 [2024-11-08 23:35:18,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/data/2a091ad43/f28e9c67cbf244f2b43bd6b52bff0bd2 [2024-11-08 23:35:18,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:35:18,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:35:18,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:18,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:35:18,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:35:18,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:18" (1/1) ... [2024-11-08 23:35:18,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2395cab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:18, skipping insertion in model container [2024-11-08 23:35:18,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:35:18" (1/1) ... [2024-11-08 23:35:18,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:35:19,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:19,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:35:19,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:35:19,236 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:35:19,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19 WrapperNode [2024-11-08 23:35:19,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:35:19,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:19,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:35:19,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:35:19,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,271 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2024-11-08 23:35:19,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:35:19,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:35:19,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:35:19,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:35:19,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:35:19,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:35:19,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:35:19,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:35:19,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:35:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:35:19,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:35:19,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:35:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:35:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:35:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:35:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:35:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:35:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:35:19,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:35:19,439 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:35:19,668 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 23:35:19,669 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:35:19,721 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:35:19,721 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:35:19,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:19 BoogieIcfgContainer [2024-11-08 23:35:19,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:35:19,723 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:35:19,723 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:35:19,735 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:35:19,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:19" (1/1) ... [2024-11-08 23:35:19,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:35:19,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:19,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-08 23:35:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-08 23:35:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:35:19,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:19,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-11-08 23:35:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-11-08 23:35:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:35:20,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:20,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:20,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2024-11-08 23:35:20,360 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-08 23:35:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:35:20,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:20,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:35:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:35:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:35:20,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-08 23:35:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-08 23:35:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:35:20,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:35:20,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:35:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:20,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:20,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:35:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:35:20,862 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-08 23:35:20,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:35:20 ImpRootNode [2024-11-08 23:35:20,904 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:35:20,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:35:20,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:35:20,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:35:20,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:35:19" (3/4) ... [2024-11-08 23:35:20,907 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:35:20,953 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:35:20,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:35:20,956 INFO L158 Benchmark]: Toolchain (without parser) took 2029.00ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 65.3MB in the end (delta: 64.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,957 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:20,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 126.1MB in the end (delta: 3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.39ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:35:20,959 INFO L158 Benchmark]: Boogie Preprocessor took 24.38ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 124.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,959 INFO L158 Benchmark]: RCFGBuilder took 424.87ms. Allocated memory is still 161.5MB. Free memory was 124.0MB in the beginning and 109.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,960 INFO L158 Benchmark]: CodeCheck took 1181.75ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 67.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,963 INFO L158 Benchmark]: Witness Printer took 48.52ms. Allocated memory is still 161.5MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:35:20,967 INFO L338 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, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 76 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 42 mSDtfsCounter, 76 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 FALSE !(i < 100) 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 [b={2:0}, i=0, n=0, size=1] [L14] COND FALSE !(i < size) VAL [b={2:0}, i=0, n=0, size=1] [L14] COND TRUE i < size VAL [b={2:0}, i=0, n=0, size=1] [L15] a[i] VAL [b={2:0}, size=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 88.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 126.1MB in the end (delta: 3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.39ms. Allocated memory is still 161.5MB. Free memory was 126.1MB in the beginning and 125.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.38ms. Allocated memory is still 161.5MB. Free memory was 125.1MB in the beginning and 124.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.87ms. Allocated memory is still 161.5MB. Free memory was 124.0MB in the beginning and 109.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1181.75ms. Allocated memory is still 161.5MB. Free memory was 109.3MB in the beginning and 67.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 48.52ms. Allocated memory is still 161.5MB. Free memory was 67.4MB in the beginning and 65.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 23:35:21,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e488b6cc-4e18-4692-bedb-607baf41be9a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)