./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/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_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/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_708aae26-e57c-4203-8e16-b9a49a324ea5/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 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:39:20,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:39:20,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-08 23:39:20,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:39:20,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:39:20,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:39:20,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:39:20,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:39:20,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:39:20,256 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:39:20,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:39:20,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:39:20,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:39:20,258 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 23:39:20,259 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 23:39:20,259 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 23:39:20,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:39:20,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:39:20,261 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:39:20,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:39:20,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:39:20,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:39:20,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:39:20,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:39:20,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:39:20,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:20,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:39:20,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:39:20,275 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:39:20,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:39:20,275 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_708aae26-e57c-4203-8e16-b9a49a324ea5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68fe5d136456ecb82ea00426715bf936d3e38ca581ddd26cec97e5010ad5777c [2024-11-08 23:39:20,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:39:20,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:39:20,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:39:20,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:39:20,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:39:20,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c Unable to find full path for "g++" [2024-11-08 23:39:23,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:39:23,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:39:23,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2024-11-08 23:39:23,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/data/2d421c301/035e958ec6674bc7b84d6eee5ae7196d/FLAG60a0a46f3 [2024-11-08 23:39:23,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/data/2d421c301/035e958ec6674bc7b84d6eee5ae7196d [2024-11-08 23:39:23,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:39:23,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:39:23,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:23,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:39:23,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:39:23,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:23" (1/1) ... [2024-11-08 23:39:23,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646cc0f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:23, skipping insertion in model container [2024-11-08 23:39:23,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:39:23" (1/1) ... [2024-11-08 23:39:23,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:39:24,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:24,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:39:24,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:39:24,396 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:39:24,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24 WrapperNode [2024-11-08 23:39:24,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:39:24,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:24,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:39:24,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:39:24,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,444 INFO L138 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 23:39:24,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:39:24,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:39:24,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:39:24,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:39:24,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:39:24,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:39:24,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:39:24,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:39:24,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:39:24,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:39:24,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:39:24,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:39:24,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:39:24,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:39:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:39:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-08 23:39:24,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:39:24,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:39:24,656 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:39:24,659 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:39:24,869 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 23:39:24,869 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:39:24,907 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:39:24,908 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:39:24,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:24 BoogieIcfgContainer [2024-11-08 23:39:24,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:39:24,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:39:24,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:39:24,925 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:39:24,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:24" (1/1) ... [2024-11-08 23:39:24,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:39:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 23:39:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 23:39:25,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:39:25,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:25,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:25,396 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 23:39:25,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:39:25,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:39:25,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:39:25,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:25,842 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 23:39:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 23:39:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 23:39:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:39:26,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:26,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:26,395 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 23:39:26,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:39:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:39:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:39:26,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:26,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:26,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:39:26,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-08 23:39:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-08 23:39:26,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:39:26,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:26,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:39:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-08 23:39:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-08 23:39:27,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:39:27,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:39:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2024-11-08 23:39:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-11-08 23:39:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:39:29,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:39:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:39:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-08 23:39:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-08 23:39:30,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:39:30,123 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-08 23:39:30,135 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-08 23:39:30,223 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:39:30,223 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:39:30,224 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:39:30,224 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 12 17) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-11-08 23:39:30,225 INFO L77 FloydHoareUtils]: At program point L3-1(lines 3 8) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|))) (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select .cse0 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= (select .cse0 0) 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1))) [2024-11-08 23:39:30,225 INFO L77 FloydHoareUtils]: At program point L3-3(lines 3 8) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|))) (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select .cse0 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= (select .cse0 0) 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1))) [2024-11-08 23:39:30,226 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-08 23:39:30,226 INFO L75 FloydHoareUtils]: For program point L3-4(lines 3 8) no Hoare annotation was computed. [2024-11-08 23:39:30,227 INFO L77 FloydHoareUtils]: At program point areNatural_returnLabel#1(lines 1 10) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-11-08 23:39:30,227 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK(lines 12 17) no Hoare annotation was computed. [2024-11-08 23:39:30,237 INFO L77 FloydHoareUtils]: At program point L4(line 4) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|))) (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select .cse0 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= (select .cse0 0) 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1))) [2024-11-08 23:39:30,237 INFO L77 FloydHoareUtils]: At program point L4-1(lines 4 6) the Hoare annotation is: (and (= |ULTIMATE.start_areNatural_~i~0#1| 0) (= (store |#valid| |ULTIMATE.start_main_~#numbers~0#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= 4 (select (select |#memory_int| |ULTIMATE.start_areNatural_~numbers#1.base|) 4)) (= |ULTIMATE.start_areNatural_~numbers#1.offset| 0) (= |ULTIMATE.start_areNatural_#t~mem0#1| 0) (= 10 (select |#length| |ULTIMATE.start_areNatural_~numbers#1.base|)) (= (select |#valid| |ULTIMATE.start_areNatural_~numbers#1.base|) 1)) [2024-11-08 23:39:30,255 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:39:30,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-08 23:39:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-08 23:39:30,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:39:30,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-08 23:39:30,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-08 23:39:30,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] [2024-11-08 23:39:30,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~numbers!offset [2024-11-08 23:39:30,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-08 23:39:30,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-08 23:39:30,267 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] [2024-11-08 23:39:30,267 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-08 23:39:30,268 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-08 23:39:30,269 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-08 23:39:30,269 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-08 23:39:30,272 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-11-08 23:39:30,273 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-11-08 23:39:30,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:39:30 ImpRootNode [2024-11-08 23:39:30,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:39:30,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:39:30,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:39:30,279 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:39:30,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:39:24" (3/4) ... [2024-11-08 23:39:30,284 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:39:30,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-08 23:39:30,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:39:30,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 23:39:30,297 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:39:30,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:39:30,408 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:39:30,408 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:39:30,409 INFO L158 Benchmark]: Toolchain (without parser) took 6483.02ms. Allocated memory was 174.1MB in the beginning and 226.5MB in the end (delta: 52.4MB). Free memory was 131.4MB in the beginning and 189.6MB in the end (delta: -58.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:30,410 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 111.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:30,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.01ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 118.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:39:30,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.96ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:39:30,411 INFO L158 Benchmark]: Boogie Preprocessor took 33.42ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 116.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:39:30,412 INFO L158 Benchmark]: RCFGBuilder took 428.73ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 104.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:39:30,412 INFO L158 Benchmark]: CodeCheck took 5365.75ms. Allocated memory was 174.1MB in the beginning and 226.5MB in the end (delta: 52.4MB). Free memory was 104.2MB in the beginning and 194.8MB in the end (delta: -90.7MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2024-11-08 23:39:30,413 INFO L158 Benchmark]: Witness Printer took 131.19ms. Allocated memory is still 226.5MB. Free memory was 194.8MB in the beginning and 189.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:39:30,418 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, 12 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 94 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 66 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 476 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 344 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 13/20 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 111.1MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.01ms. Allocated memory is still 174.1MB. Free memory was 131.4MB in the beginning and 118.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.96ms. Allocated memory is still 174.1MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.42ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 116.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.73ms. Allocated memory is still 174.1MB. Free memory was 116.0MB in the beginning and 104.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5365.75ms. Allocated memory was 174.1MB in the beginning and 226.5MB in the end (delta: 52.4MB). Free memory was 104.2MB in the beginning and 194.8MB in the end (delta: -90.7MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * Witness Printer took 131.19ms. Allocated memory is still 226.5MB. Free memory was 194.8MB in the beginning and 189.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~numbers!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~numbers!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-11-08 23:39:30,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708aae26-e57c-4203-8e16-b9a49a324ea5/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 Result: TRUE