./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 9bd2c7ff 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 02:39:15,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:39:15,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 02:39:15,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:39:15,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:39:15,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:39:15,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:39:15,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:39:15,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:39:15,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:39:15,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:39:15,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:39:15,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:39:15,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:39:15,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:39:15,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:39:15,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:39:15,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:39:15,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:39:15,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:39:15,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:39:15,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:39:15,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:39:15,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:15,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:39:15,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:39:15,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:39:15,370 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:39:15,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:39:15,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:39:15,372 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb [2023-11-19 02:39:15,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:39:15,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:39:15,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:39:15,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:39:15,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:39:15,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-11-19 02:39:18,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:39:19,238 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:39:19,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-11-19 02:39:19,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/49ec102d1/c86508d8ef1a419c86bb3ca909d3c048/FLAG387bae9f3 [2023-11-19 02:39:19,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/49ec102d1/c86508d8ef1a419c86bb3ca909d3c048 [2023-11-19 02:39:19,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:39:19,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:39:19,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:19,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:39:19,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:39:19,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:19,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651564ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19, skipping insertion in model container [2023-11-19 02:39:19,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:19,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:39:19,561 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-11-19 02:39:19,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:19,731 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:39:19,756 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-11-19 02:39:19,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:19,895 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:39:19,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19 WrapperNode [2023-11-19 02:39:19,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:19,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:19,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:39:19,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:39:19,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:19,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,027 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 837 [2023-11-19 02:39:20,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:20,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:39:20,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:39:20,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:39:20,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:39:20,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:39:20,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:39:20,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:39:20,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:19" (1/1) ... [2023-11-19 02:39:20,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:20,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:39:20,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:39:20,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:39:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:39:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:39:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:39:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:39:20,445 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:39:20,447 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:39:21,434 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:39:22,751 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:39:22,752 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:39:22,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:22 BoogieIcfgContainer [2023-11-19 02:39:22,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:39:22,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:39:22,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:39:22,768 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:39:22,769 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:22" (1/1) ... [2023-11-19 02:39:22,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:39:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 02:39:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 02:39:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:39:22,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:39:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:39:23,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:39:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:39:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:39:24,187 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:39:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:39:24,412 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:39:24,458 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 02:39:24,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:39:24 ImpRootNode [2023-11-19 02:39:24,467 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:39:24,467 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:39:24,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:39:24,468 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:39:24,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:22" (3/4) ... [2023-11-19 02:39:24,473 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:39:24,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:39:24,475 INFO L158 Benchmark]: Toolchain (without parser) took 5180.47ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 144.3MB in the beginning and 191.4MB in the end (delta: -47.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,477 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:39:24,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.63ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 121.3MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.49ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 106.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,480 INFO L158 Benchmark]: Boogie Preprocessor took 177.24ms. Allocated memory is still 188.7MB. Free memory was 106.1MB in the beginning and 100.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,483 INFO L158 Benchmark]: RCFGBuilder took 2549.64ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 100.3MB in the beginning and 148.4MB in the end (delta: -48.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,484 INFO L158 Benchmark]: CodeCheck took 1708.85ms. Allocated memory is still 272.6MB. Free memory was 148.4MB in the beginning and 191.4MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:39:24,485 INFO L158 Benchmark]: Witness Printer took 6.93ms. Allocated memory is still 272.6MB. Free memory was 191.4MB in the beginning and 191.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:39:24,497 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: 1.6s, 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, 0.6s 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.63ms. Allocated memory is still 188.7MB. Free memory was 144.3MB in the beginning and 121.3MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.49ms. Allocated memory is still 188.7MB. Free memory was 121.3MB in the beginning and 106.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.24ms. Allocated memory is still 188.7MB. Free memory was 106.1MB in the beginning and 100.3MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2549.64ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 100.3MB in the beginning and 148.4MB in the end (delta: -48.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * CodeCheck took 1708.85ms. Allocated memory is still 272.6MB. Free memory was 148.4MB in the beginning and 191.4MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.93ms. Allocated memory is still 272.6MB. Free memory was 191.4MB in the beginning and 191.4MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:39:24,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 02:39:27,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:39:27,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 02:39:27,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:39:27,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:39:27,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:39:27,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:39:27,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:39:27,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:39:27,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:39:27,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:39:27,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:39:27,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:39:27,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:39:27,426 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:39:27,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:39:27,427 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:39:27,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:39:27,428 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:39:27,428 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:39:27,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:39:27,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:39:27,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:39:27,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:39:27,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:39:27,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:27,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:39:27,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:39:27,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:39:27,433 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:39:27,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:39:27,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:39:27,435 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:39:27,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:39:27,435 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ce33b6f81168af3d96568d671c639f1b150a10746ef41348bbd6ceb49bdfdbb [2023-11-19 02:39:27,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:39:27,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:39:27,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:39:27,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:39:27,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:39:27,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-11-19 02:39:31,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:39:31,434 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:39:31,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c [2023-11-19 02:39:31,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/d9b040508/19922d9c42a74cacafbc654f77bfd7bd/FLAG073457809 [2023-11-19 02:39:31,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/data/d9b040508/19922d9c42a74cacafbc654f77bfd7bd [2023-11-19 02:39:31,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:39:31,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:39:31,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:31,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:39:31,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:39:31,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:31,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512726de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31, skipping insertion in model container [2023-11-19 02:39:31,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:31,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:39:31,672 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-11-19 02:39:31,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:31,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:39:31,827 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_f6c48955-b5aa-4bdf-9498-23b767ed56e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.Huffman_enc.c[1251,1264] [2023-11-19 02:39:31,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:39:31,978 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:39:31,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31 WrapperNode [2023-11-19 02:39:31,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:39:31,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:31,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:39:31,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:39:31,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,112 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 449 [2023-11-19 02:39:32,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:39:32,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:39:32,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:39:32,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:39:32,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,171 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:39:32,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:39:32,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:39:32,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:39:32,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:31" (1/1) ... [2023-11-19 02:39:32,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:39:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:39:32,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:39:32,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:39:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:39:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:39:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:39:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:39:32,520 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:39:32,523 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:39:33,184 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:39:33,263 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:39:33,263 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:39:33,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:33 BoogieIcfgContainer [2023-11-19 02:39:33,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:39:33,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:39:33,271 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:39:33,281 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:39:33,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:33" (1/1) ... [2023-11-19 02:39:33,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:39:33,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 02:39:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 02:39:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:39:33,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:39:33,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:39:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:39:33,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:39:33,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:39:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:33,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:39:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:39:33,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:39:33,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:39:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:39:34,206 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:39:34,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:39:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:39:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2023-11-19 02:39:34,503 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2023-11-19 02:39:34,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:39:34,504 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2023-11-19 02:39:34,510 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:39:34,518 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:39:34,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:39:34 ImpRootNode [2023-11-19 02:39:34,522 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:39:34,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:39:34,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:39:34,523 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:39:34,523 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:33" (3/4) ... [2023-11-19 02:39:34,525 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:39:34,540 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 02:39:34,541 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 02:39:34,542 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:39:34,543 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:39:34,741 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:39:34,742 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:39:34,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:39:34,744 INFO L158 Benchmark]: Toolchain (without parser) took 3278.03ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 50.6MB in the beginning and 37.1MB in the end (delta: 13.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,744 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:39:34,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.55ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 50.8MB in the end (delta: -255.7kB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.31ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 46.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,745 INFO L158 Benchmark]: Boogie Preprocessor took 78.32ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 43.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,746 INFO L158 Benchmark]: RCFGBuilder took 1061.22ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 43.0MB in the end (delta: 837.5kB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,746 INFO L158 Benchmark]: CodeCheck took 1251.82ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 46.3MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:39:34,746 INFO L158 Benchmark]: Witness Printer took 219.57ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 37.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:39:34,749 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: 1.2s, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.2s 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, 0.5s 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 0.68ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.55ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 50.8MB in the end (delta: -255.7kB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.31ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 46.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.32ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 43.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1061.22ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 43.0MB in the end (delta: 837.5kB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * CodeCheck took 1251.82ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 46.3MB in the end (delta: -3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 219.57ms. Allocated memory is still 96.5MB. Free memory was 46.3MB in the beginning and 37.1MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:39:34,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6c48955-b5aa-4bdf-9498-23b767ed56e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE