./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 63b2465af3382507505d15dae126c5fc4c2a382acf5f7b83ac8e7391dc7cb34e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:06,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:06,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:44:06,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:44:06,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:44:06,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:06,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:06,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:06,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:06,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:06,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:06,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:06,933 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:06,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:06,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:06,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:06,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:44:06,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:44:06,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b2465af3382507505d15dae126c5fc4c2a382acf5f7b83ac8e7391dc7cb34e [2024-12-06 02:44:07,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:07,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:07,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:07,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:07,146 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:07,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2024-12-06 02:44:09,706 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/445b39796/0d4b310064da431081f191de67dad060/FLAG148db221c [2024-12-06 02:44:09,936 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:09,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2024-12-06 02:44:09,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/445b39796/0d4b310064da431081f191de67dad060/FLAG148db221c [2024-12-06 02:44:10,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/445b39796/0d4b310064da431081f191de67dad060 [2024-12-06 02:44:10,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:10,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:10,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:10,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:10,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:10,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eacdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10, skipping insertion in model container [2024-12-06 02:44:10,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:10,416 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1245,1258] [2024-12-06 02:44:10,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:10,450 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:10,460 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1245,1258] [2024-12-06 02:44:10,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:10,485 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:10,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10 WrapperNode [2024-12-06 02:44:10,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:10,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:10,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:10,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:10,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,523 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2024-12-06 02:44:10,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:10,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:10,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:10,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:10,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,539 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:10,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:10,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:10,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:10,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:10" (1/1) ... [2024-12-06 02:44:10,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:10,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:10,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:10,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:44:10,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:10,672 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:10,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:10,897 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 02:44:10,897 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:11,019 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:44:11,020 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:44:11,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:11 BoogieIcfgContainer [2024-12-06 02:44:11,020 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:44:11,021 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:44:11,021 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:44:11,031 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:44:11,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:11" (1/1) ... [2024-12-06 02:44:11,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:44:11,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:44:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:44:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:44:11,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:44:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:11,230 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:11,392 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:11,438 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:44:11,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:44:11 ImpRootNode [2024-12-06 02:44:11,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:44:11,460 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:44:11,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:44:11,460 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:44:11,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:11" (3/4) ... [2024-12-06 02:44:11,462 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:44:11,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:44:11,463 INFO L158 Benchmark]: Toolchain (without parser) took 1184.86ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 98.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-12-06 02:44:11,464 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:11,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.29ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 105.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:11,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.51ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:11,465 INFO L158 Benchmark]: Boogie Preprocessor took 24.57ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:11,465 INFO L158 Benchmark]: RCFGBuilder took 471.91ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 67.4MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:44:11,465 INFO L158 Benchmark]: CodeCheck took 438.32ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 98.7MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:11,465 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 537.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:11,467 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 39, overapproximation of bitwiseAnd at line 47. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L30] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L32] const SORT_1 var_4 = 1; [L33] const SORT_7 var_9 = 1; [L34] const SORT_1 var_17 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L39] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] SORT_1 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 VAL [mask_SORT_1=1, state_5=1, var_17=0, var_4=1, var_9=1] [L45] input_2 = __VERIFIER_nondet_uchar() [L46] input_3 = __VERIFIER_nondet_uchar() [L47] EXPR input_3 & mask_SORT_1 [L47] input_3 = input_3 & mask_SORT_1 [L50] SORT_1 var_8_arg_0 = state_5; [L51] EXPR var_8_arg_0 & mask_SORT_1 [L51] var_8_arg_0 = var_8_arg_0 & mask_SORT_1 [L52] SORT_7 var_8 = var_8_arg_0; [L53] SORT_7 var_10_arg_0 = var_8; [L54] SORT_7 var_10_arg_1 = var_9; [L55] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L56] SORT_1 var_13_arg_0 = var_10; [L57] SORT_1 var_13 = ~var_13_arg_0; [L58] SORT_1 var_14_arg_0 = var_4; [L59] SORT_1 var_14_arg_1 = var_13; [L60] EXPR var_14_arg_0 & var_14_arg_1 [L60] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L61] EXPR var_14 & mask_SORT_1 [L61] var_14 = var_14 & mask_SORT_1 [L62] SORT_1 bad_15_arg_0 = var_14; [L63] CALL __VERIFIER_assert(!(bad_15_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.29ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 105.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.51ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 103.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.57ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 471.91ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 67.4MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 438.32ms. Allocated memory is still 142.6MB. Free memory was 67.3MB in the beginning and 98.7MB in the end (delta: -31.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 537.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:44:11,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 63b2465af3382507505d15dae126c5fc4c2a382acf5f7b83ac8e7391dc7cb34e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:13,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:13,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 02:44:13,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:13,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:13,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:13,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:13,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:44:13,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:13,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:13,544 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:44:13,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:13,545 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:44:13,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b2465af3382507505d15dae126c5fc4c2a382acf5f7b83ac8e7391dc7cb34e [2024-12-06 02:44:13,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:13,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:13,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:13,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:13,804 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:13,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2024-12-06 02:44:16,491 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/8ee6b85cd/d6b5309f2fba4c1fa6b72d4676c02b05/FLAG470feff3c [2024-12-06 02:44:16,680 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:16,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2024-12-06 02:44:16,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/8ee6b85cd/d6b5309f2fba4c1fa6b72d4676c02b05/FLAG470feff3c [2024-12-06 02:44:17,043 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/data/8ee6b85cd/d6b5309f2fba4c1fa6b72d4676c02b05 [2024-12-06 02:44:17,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:17,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:17,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:17,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:17,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:17,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31fb515f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17, skipping insertion in model container [2024-12-06 02:44:17,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:17,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1245,1258] [2024-12-06 02:44:17,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:17,217 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:17,229 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1245,1258] [2024-12-06 02:44:17,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:17,253 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:17,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17 WrapperNode [2024-12-06 02:44:17,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:17,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:17,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:17,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:17,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,284 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-06 02:44:17,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:17,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:17,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:17,285 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:17,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:17,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:17,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:17,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:17,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:17,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:44:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:17,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:17,425 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:17,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:17,543 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 02:44:17,543 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:17,568 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:44:17,568 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:44:17,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:17 BoogieIcfgContainer [2024-12-06 02:44:17,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:44:17,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:44:17,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:44:17,576 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:44:17,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:44:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:44:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:44:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:44:17,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:17,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:17,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:17,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:44:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:17,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:17,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:44:17,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:44:17,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:44:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 02:44:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 02:44:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:44:17,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:17,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:17,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:17,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:17,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:44:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:18,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:18,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:44:18,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:18,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:44:18,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:44:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-12-06 02:44:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2024-12-06 02:44:18,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:44:18,630 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-06 02:44:18,637 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:44:18,677 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-12-06 02:44:18,677 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 02:44:18,678 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~var_17~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_9~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_4~0#1|) (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) [2024-12-06 02:44:18,678 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 02:44:18,678 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~var_17~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_9~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_4~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) [2024-12-06 02:44:18,678 INFO L77 FloydHoareUtils]: At program point L43-1(lines 43 76) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~var_17~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_9~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~var_4~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~state_5~0#1|)) [2024-12-06 02:44:18,678 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:44:18,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:44:18 ImpRootNode [2024-12-06 02:44:18,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:44:18,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:44:18,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:44:18,689 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:44:18,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:17" (3/4) ... [2024-12-06 02:44:18,692 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:44:18,699 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-06 02:44:18,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-06 02:44:18,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 02:44:18,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:44:18,700 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:44:18,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:44:18,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:44:18,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:44:18,777 INFO L158 Benchmark]: Toolchain (without parser) took 1730.90ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 70.0MB in the beginning and 80.9MB in the end (delta: -10.9MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-12-06 02:44:18,777 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:18,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.89ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:18,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.81ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:18,778 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 987.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:18,778 INFO L158 Benchmark]: RCFGBuilder took 260.78ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 41.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:18,779 INFO L158 Benchmark]: CodeCheck took 1119.31ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 41.7MB in the beginning and 86.0MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:18,779 INFO L158 Benchmark]: Witness Printer took 87.47ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 80.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:18,781 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 2 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 9 NumberOfNonLiveVariables, 98 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((((0 == var_17) && (1 == var_9)) && (1 == var_4)) && (1 == mask_SORT_1)) && (1 == state_5)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.89ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.81ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 56.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 987.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 260.78ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 41.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1119.31ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 41.7MB in the beginning and 86.0MB in the end (delta: -44.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.47ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 80.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:44:18,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e23f406-16a3-4033-9bfa-d8b69198674d/bin/ukojak-verify-CZk0znPC7b/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