./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9 --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 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:58:43,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:58:43,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:58:43,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:58:43,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:58:43,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:58:43,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:58:43,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:58:43,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:58:43,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:58:43,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:58:43,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:58:43,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:58:43,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:58:43,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:58:43,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:58:43,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:58:43,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:58:43,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:58:43,238 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:58:43,239 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:58:43,240 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:58:43,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:58:43,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:58:43,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:58:43,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:58:43,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:58:43,242 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:58:43,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:58:43,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:58:43,244 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb [2023-12-03 01:58:43,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:58:43,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:58:43,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:58:43,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:58:43,484 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:58:43,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-12-03 01:58:46,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:58:46,431 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:58:46,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-12-03 01:58:46,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/36cea8061/c2ea53414cee4bc5a96ccd92503cfa68/FLAGada8ba611 [2023-12-03 01:58:46,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/36cea8061/c2ea53414cee4bc5a96ccd92503cfa68 [2023-12-03 01:58:46,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:58:46,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:58:46,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:58:46,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:58:46,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:58:46,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:46,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a9d497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46, skipping insertion in model container [2023-12-03 01:58:46,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:46,514 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:58:46,675 WARN L240 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-12-03 01:58:46,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:58:46,797 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:58:46,809 WARN L240 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-12-03 01:58:46,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:58:46,881 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:58:46,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46 WrapperNode [2023-12-03 01:58:46,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:58:46,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:58:46,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:58:46,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:58:46,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:46,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:46,989 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 837 [2023-12-03 01:58:46,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:58:46,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:58:46,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:58:46,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:58:47,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:58:47,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:58:47,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:58:47,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:58:47,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:46" (1/1) ... [2023-12-03 01:58:47,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:58:47,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:58:47,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:58:47,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:58:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:58:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:58:47,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:58:47,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:58:47,317 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:58:47,319 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:58:48,034 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:58:48,756 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:58:48,756 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:58:48,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:48 BoogieIcfgContainer [2023-12-03 01:58:48,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:58:48,759 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:58:48,759 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:58:48,767 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:58:48,767 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:48" (1/1) ... [2023-12-03 01:58:48,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:58:48,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:58:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:58:48,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:58:48,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:48,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:58:49,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:58:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:58:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:58:49,445 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:58:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:58:49,615 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:58:49,643 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 01:58:49,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:58:49 ImpRootNode [2023-12-03 01:58:49,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:58:49,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:58:49,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:58:49,652 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:58:49,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:48" (3/4) ... [2023-12-03 01:58:49,654 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:58:49,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:58:49,657 INFO L158 Benchmark]: Toolchain (without parser) took 3192.59ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 92.8MB in the beginning and 90.2MB in the end (delta: 2.6MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-12-03 01:58:49,657 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:58:49,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.61ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 69.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:58:49,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.76ms. Allocated memory is still 132.1MB. Free memory was 69.2MB in the beginning and 54.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:58:49,659 INFO L158 Benchmark]: Boogie Preprocessor took 90.38ms. Allocated memory is still 132.1MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:58:49,660 INFO L158 Benchmark]: RCFGBuilder took 1677.18ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 86.8MB in the end (delta: -39.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-12-03 01:58:49,661 INFO L158 Benchmark]: CodeCheck took 891.57ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 91.3MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:58:49,661 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:58:49,665 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: 0.8s, 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 - 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 bitwiseOr at line 141, overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 10); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (10 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L38] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 8); [L39] const SORT_19 msb_SORT_19 = (SORT_19)1 << (8 - 1); [L41] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 9); [L42] const SORT_26 msb_SORT_26 = (SORT_26)1 << (9 - 1); [L44] const SORT_33 mask_SORT_33 = (SORT_33)-1 >> (sizeof(SORT_33) * 8 - 27); [L45] const SORT_33 msb_SORT_33 = (SORT_33)1 << (27 - 1); [L47] const SORT_7 var_9 = 0; [L48] const SORT_3 var_15 = 1; [L49] const SORT_3 var_25 = 0; [L50] const SORT_5 var_29 = 0; [L51] const SORT_5 var_30 = 908; [L52] const SORT_7 var_31 = 32; [L53] const SORT_7 var_32 = 65; [L54] const SORT_33 var_34 = 0; [L55] const SORT_7 var_38 = 26; [L56] const SORT_7 var_43 = 74; [L57] const SORT_5 var_46 = 652; [L58] const SORT_7 var_48 = 90; [L59] const SORT_5 var_51 = 460; [L60] const SORT_7 var_53 = 88; [L61] const SORT_5 var_56 = 332; [L62] const SORT_7 var_58 = 75; [L63] const SORT_5 var_61 = 268; [L64] const SORT_7 var_63 = 81; [L65] const SORT_5 var_66 = 215; [L66] const SORT_7 var_68 = 86; [L67] const SORT_5 var_71 = 151; [L68] const SORT_7 var_73 = 66; [L69] const SORT_5 var_76 = 119; [L70] const SORT_7 var_78 = 77; [L71] const SORT_5 var_81 = 118; [L72] const SORT_7 var_83 = 89; [L73] const SORT_5 var_86 = 86; [L74] const SORT_7 var_88 = 71; [L75] const SORT_5 var_91 = 108; [L76] const SORT_7 var_93 = 87; [L77] const SORT_5 var_96 = 39; [L78] const SORT_7 var_98 = 68; [L79] const SORT_5 var_101 = 38; [L80] const SORT_7 var_103 = 72; [L81] const SORT_5 var_106 = 60; [L82] const SORT_7 var_108 = 76; [L83] const SORT_5 var_111 = 56; [L84] const SORT_7 var_113 = 67; [L85] const SORT_5 var_116 = 40; [L86] const SORT_7 var_118 = 70; [L87] const SORT_5 var_121 = 48; [L88] const SORT_7 var_123 = 80; [L89] const SORT_5 var_126 = 32; [L90] const SORT_7 var_128 = 85; [L91] const SORT_5 var_131 = 31; [L92] const SORT_7 var_133 = 84; [L93] const SORT_5 var_136 = 29; [L94] const SORT_7 var_138 = 78; [L95] const SORT_5 var_141 = 21; [L96] const SORT_7 var_143 = 82; [L97] const SORT_5 var_146 = 25; [L98] const SORT_7 var_148 = 79; [L99] const SORT_5 var_151 = 17; [L100] const SORT_7 var_153 = 73; [L101] const SORT_5 var_156 = 30; [L102] const SORT_5 var_160 = 20; [L103] const SORT_7 var_162 = 83; [L104] const SORT_5 var_165 = 11; [L105] const SORT_5 var_169 = 10; [L106] const SORT_7 var_171 = 69; [L107] const SORT_7 var_176 = 1; [L109] SORT_1 input_2; [L110] SORT_3 input_4; [L111] SORT_19 input_20; [L112] SORT_3 input_22; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 [L114] SORT_5 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L118] input_2 = __VERIFIER_nondet_uchar() [L119] EXPR input_2 & mask_SORT_1 [L119] input_2 = input_2 & mask_SORT_1 [L120] input_4 = __VERIFIER_nondet_uchar() [L121] input_20 = __VERIFIER_nondet_uchar() [L122] input_22 = __VERIFIER_nondet_uchar() [L125] SORT_5 var_8_arg_0 = state_6; [L126] EXPR var_8_arg_0 & mask_SORT_5 [L126] var_8_arg_0 = var_8_arg_0 & mask_SORT_5 [L127] SORT_7 var_8 = var_8_arg_0; [L128] SORT_7 var_10_arg_0 = var_8; [L129] SORT_7 var_10_arg_1 = var_9; [L130] SORT_3 var_10 = var_10_arg_0 == var_10_arg_1; [L131] SORT_5 var_11_arg_0 = state_6; [L132] EXPR var_11_arg_0 & mask_SORT_5 [L132] var_11_arg_0 = var_11_arg_0 & mask_SORT_5 [L133] SORT_7 var_11 = var_11_arg_0; [L134] SORT_7 var_12_arg_0 = var_11; [L135] SORT_7 var_12_arg_1 = var_9; [L136] SORT_3 var_12 = var_12_arg_0 == var_12_arg_1; [L137] SORT_3 var_13_arg_0 = var_12; [L138] SORT_3 var_13 = ~var_13_arg_0; [L139] SORT_3 var_14_arg_0 = var_10; [L140] SORT_3 var_14_arg_1 = var_13; [L141] EXPR var_14_arg_0 | var_14_arg_1 [L141] SORT_3 var_14 = var_14_arg_0 | var_14_arg_1; [L142] SORT_3 var_16_arg_0 = var_14; [L143] SORT_3 var_16 = ~var_16_arg_0; [L144] SORT_3 var_17_arg_0 = var_15; [L145] SORT_3 var_17_arg_1 = var_16; [L146] EXPR var_17_arg_0 & var_17_arg_1 [L146] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L147] EXPR var_17 & mask_SORT_3 [L147] var_17 = var_17 & mask_SORT_3 [L148] SORT_3 bad_18_arg_0 = var_17; [L149] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 107.0MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.61ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 69.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.76ms. Allocated memory is still 132.1MB. Free memory was 69.2MB in the beginning and 54.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.38ms. Allocated memory is still 132.1MB. Free memory was 54.0MB in the beginning and 47.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1677.18ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 47.6MB in the beginning and 86.8MB in the end (delta: -39.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * CodeCheck took 891.57ms. Allocated memory is still 161.5MB. Free memory was 86.8MB in the beginning and 91.3MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 161.5MB. Free memory was 91.3MB in the beginning and 90.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:58:49,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9 --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 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:58:51,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:58:51,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:58:51,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:58:51,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:58:51,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:58:51,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:58:51,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:58:51,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:58:51,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:58:51,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:58:51,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:58:51,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:58:51,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:58:51,724 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:58:51,725 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:58:51,725 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:58:51,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:58:51,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:58:51,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:58:51,728 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:58:51,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:58:51,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:51,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:58:51,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:58:51,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:58:51,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:58:51,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:58:51,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:58:51,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:58:51,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:51,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:58:51,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:58:51,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:58:51,738 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb [2023-12-03 01:58:52,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:58:52,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:58:52,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:58:52,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:58:52,065 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:58:52,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-12-03 01:58:54,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:58:55,037 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:58:55,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-12-03 01:58:55,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/1c1445b24/07b7b7530d7f486d927fe19230832f46/FLAGf30eee160 [2023-12-03 01:58:55,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/data/1c1445b24/07b7b7530d7f486d927fe19230832f46 [2023-12-03 01:58:55,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:58:55,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:58:55,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:58:55,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:58:55,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:58:55,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faa0b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55, skipping insertion in model container [2023-12-03 01:58:55,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:58:55,285 WARN L240 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-12-03 01:58:55,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:58:55,418 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:58:55,431 WARN L240 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_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-12-03 01:58:55,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:58:55,550 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:58:55,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55 WrapperNode [2023-12-03 01:58:55,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:58:55,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:58:55,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:58:55,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:58:55,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,617 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 449 [2023-12-03 01:58:55,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:58:55,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:58:55,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:58:55,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:58:55,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:58:55,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:58:55,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:58:55,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:58:55,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:58:55" (1/1) ... [2023-12-03 01:58:55,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:58:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:58:55,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:58:55,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:58:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:58:55,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:58:55,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:58:55,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:58:55,891 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:58:55,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:58:56,306 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:58:56,372 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:58:56,373 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:58:56,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:56 BoogieIcfgContainer [2023-12-03 01:58:56,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:58:56,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:58:56,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:58:56,382 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:58:56,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:56" (1/1) ... [2023-12-03 01:58:56,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:58:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:58:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:58:56,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:58:56,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:56,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:56,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:56,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:58:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:56,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:56,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 01:58:56,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:58:57,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:58:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2023-12-03 01:58:57,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2023-12-03 01:58:57,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:58:57,538 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-12-03 01:58:57,546 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:58:57,552 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:58:57,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:58:57 ImpRootNode [2023-12-03 01:58:57,555 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:58:57,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:58:57,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:58:57,556 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:58:57,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:58:56" (3/4) ... [2023-12-03 01:58:57,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:58:57,570 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 01:58:57,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 01:58:57,572 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:58:57,573 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:58:57,705 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:58:57,705 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:58:57,705 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:58:57,706 INFO L158 Benchmark]: Toolchain (without parser) took 2638.58ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 63.4MB in the beginning and 68.6MB in the end (delta: -5.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,707 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:58:57,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.76ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.94ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 57.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,708 INFO L158 Benchmark]: Boogie Preprocessor took 51.88ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 54.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,708 INFO L158 Benchmark]: RCFGBuilder took 703.89ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 54.2MB in the end (delta: 524.0kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,708 INFO L158 Benchmark]: CodeCheck took 1179.84ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 77.7MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:58:57,709 INFO L158 Benchmark]: Witness Printer took 149.84ms. Allocated memory is still 109.1MB. Free memory was 77.7MB in the beginning and 68.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:58:57,711 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 26 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: 116]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.76ms. Allocated memory is still 88.1MB. Free memory was 63.4MB in the beginning and 61.9MB in the end (delta: 1.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.94ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 57.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.88ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 54.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.89ms. Allocated memory is still 88.1MB. Free memory was 54.8MB in the beginning and 54.2MB in the end (delta: 524.0kB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * CodeCheck took 1179.84ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 77.7MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 149.84ms. Allocated memory is still 109.1MB. Free memory was 77.7MB in the beginning and 68.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:58:57,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d4ccb5-cb23-42c5-9590-d561918ea0ae/bin/ukojak-verify-Qdu7aM0XO9/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