./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm --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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:13,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:13,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:33:13,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:13,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:13,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:13,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:13,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:13,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:13,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:13,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:13,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:13,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:13,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:13,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:13,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:13,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:13,493 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:13,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:13,495 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:13,495 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:13,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:13,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:13,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:13,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:13,496 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm 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 -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2024-11-13 22:33:13,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:13,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:13,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:13,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:13,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:13,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c Unable to find full path for "g++" [2024-11-13 22:33:15,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:15,868 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:15,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-11-13 22:33:15,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/a51cc1e88/e56039394aa64b23b2577e7d85383690/FLAG2725b55fb [2024-11-13 22:33:15,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/a51cc1e88/e56039394aa64b23b2577e7d85383690 [2024-11-13 22:33:15,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:15,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:15,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:15,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:15,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:15,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:15" (1/1) ... [2024-11-13 22:33:15,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ab45cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:15, skipping insertion in model container [2024-11-13 22:33:15,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:15" (1/1) ... [2024-11-13 22:33:15,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:16,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-11-13 22:33:16,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:16,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:16,228 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-11-13 22:33:16,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:16,288 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:16,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16 WrapperNode [2024-11-13 22:33:16,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:16,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:16,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:16,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:16,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,357 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2024-11-13 22:33:16,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:16,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:16,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:16,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:16,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:16,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:16,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:16,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:16,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:16" (1/1) ... [2024-11-13 22:33:16,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:16,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:16,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:16,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:33:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:16,569 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:16,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:16,939 INFO L? ?]: Removed 80 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:16,940 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:17,282 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:17,285 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:33:17,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17 BoogieIcfgContainer [2024-11-13 22:33:17,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:17,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:17,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:17,301 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:17,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17" (1/1) ... [2024-11-13 22:33:17,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:33:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:33:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:33:17,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:17,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:17,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:33:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:33:17,964 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:33:17,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:17 ImpRootNode [2024-11-13 22:33:17,988 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:17,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:17,989 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:17,989 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:17,990 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:17" (3/4) ... [2024-11-13 22:33:17,992 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:33:17,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:33:17,994 INFO L158 Benchmark]: Toolchain (without parser) took 2044.15ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 83.8MB in the end (delta: 35.7MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-13 22:33:17,994 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:17,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.04ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:17,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.34ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:17,996 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:17,996 INFO L158 Benchmark]: RCFGBuilder took 879.69ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 114.6MB in the end (delta: -11.6MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-13 22:33:17,997 INFO L158 Benchmark]: CodeCheck took 698.32ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 83.8MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:33:17,997 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:17,999 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: 0.6s, 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, 0.1s 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 76, overapproximation of bitwiseAnd at line 63, overapproximation of bitwiseAnd at line 46. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 20); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (20 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_10 = 1; [L37] const SORT_8 var_13 = 5; [L38] const SORT_8 var_17 = 7; [L39] const SORT_1 var_22 = 1; [L40] const SORT_4 var_26 = 5; [L41] const SORT_4 var_29 = 7; [L43] SORT_1 input_2; [L44] SORT_1 input_3; [L46] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L46] SORT_4 state_6 = __VERIFIER_nondet_uint() & mask_SORT_4; [L47] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L47] SORT_4 state_27 = __VERIFIER_nondet_uint() & mask_SORT_4; [L48] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L48] SORT_4 state_30 = __VERIFIER_nondet_uint() & mask_SORT_4; [L50] SORT_4 init_7_arg_1 = var_5; [L51] state_6 = init_7_arg_1 [L52] SORT_4 init_28_arg_1 = var_26; [L53] state_27 = init_28_arg_1 [L54] SORT_4 init_31_arg_1 = var_29; [L55] state_30 = init_31_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=1048575, state_27=5, state_30=7, state_6=1, var_10=1, var_13=5, var_17=7, var_22=1] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_9_arg_0 = state_6; [L63] EXPR var_9_arg_0 & mask_SORT_4 [L63] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L64] SORT_8 var_9 = var_9_arg_0; [L65] SORT_8 var_11_arg_0 = var_9; [L66] SORT_8 var_11_arg_1 = var_10; [L67] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L68] SORT_4 var_12_arg_0 = state_6; [L69] EXPR var_12_arg_0 & mask_SORT_4 [L69] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L70] SORT_8 var_12 = var_12_arg_0; [L71] SORT_8 var_14_arg_0 = var_12; [L72] SORT_8 var_14_arg_1 = var_13; [L73] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L74] SORT_1 var_15_arg_0 = var_11; [L75] SORT_1 var_15_arg_1 = var_14; [L76] EXPR var_15_arg_0 | var_15_arg_1 [L76] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L77] SORT_4 var_16_arg_0 = state_6; [L78] EXPR var_16_arg_0 & mask_SORT_4 [L78] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 [L79] SORT_8 var_16 = var_16_arg_0; [L80] SORT_8 var_18_arg_0 = var_16; [L81] SORT_8 var_18_arg_1 = var_17; [L82] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L83] SORT_1 var_19_arg_0 = var_15; [L84] SORT_1 var_19_arg_1 = var_18; [L85] EXPR var_19_arg_0 | var_19_arg_1 [L85] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L86] SORT_1 var_23_arg_0 = var_19; [L87] SORT_1 var_23 = ~var_23_arg_0; [L88] SORT_1 var_24_arg_0 = var_22; [L89] SORT_1 var_24_arg_1 = var_23; [L90] EXPR var_24_arg_0 & var_24_arg_1 [L90] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L91] EXPR var_24 & mask_SORT_1 [L91] var_24 = var_24 & mask_SORT_1 [L92] SORT_1 bad_25_arg_0 = var_24; [L93] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.04ms. Allocated memory is still 142.6MB. Free memory was 119.5MB in the beginning and 107.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.34ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 104.4MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 879.69ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 114.6MB in the end (delta: -11.6MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * CodeCheck took 698.32ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 83.8MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:33:18,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm --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 a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:20,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:20,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:33:20,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:20,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:20,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:20,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:20,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:20,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:20,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:20,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:20,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:33:20,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:20,814 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:33:20,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:20,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:20,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:33:20,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:20,815 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:33:20,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm 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 -> a995c16e34c6a8c947423a8daf73fb5637408e6de846a052a4473f47c82db47d [2024-11-13 22:33:21,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:21,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:21,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:21,171 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:21,172 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:21,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c Unable to find full path for "g++" [2024-11-13 22:33:23,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:23,401 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:23,405 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c [2024-11-13 22:33:23,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/c9e32e722/b8fbb3b4eab4408385445d7f720a200c/FLAG3640ecd6a [2024-11-13 22:33:23,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/data/c9e32e722/b8fbb3b4eab4408385445d7f720a200c [2024-11-13 22:33:23,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:23,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:23,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:23,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:23,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:23,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7593a271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23, skipping insertion in model container [2024-11-13 22:33:23,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:23,650 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-11-13 22:33:23,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:23,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:23,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_three.c[1250,1263] [2024-11-13 22:33:23,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:23,791 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:23,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23 WrapperNode [2024-11-13 22:33:23,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:23,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:23,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:23,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:23,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,836 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-11-13 22:33:23,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:23,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:23,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:23,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:23,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:23,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:23,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:23,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:23,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:23,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:23,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:23,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:33:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:24,032 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:24,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:24,254 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:24,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:24,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:24,289 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:33:24,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:24 BoogieIcfgContainer [2024-11-13 22:33:24,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:24,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:24,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:24,298 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:24,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:24" (1/1) ... [2024-11-13 22:33:24,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:33:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:33:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:33:24,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:24,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:24,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:24,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:24,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:33:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:24,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:24,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:33:24,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:24,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:24,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:33:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:25,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:33:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:33:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:33:25,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:25,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:25,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:25,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:25,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:33:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:25,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:25,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 22:33:25,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:25,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:33:26,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 22:33:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 22:33:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:33:26,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:26,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:26,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:26,216 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:26,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:33:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:26,408 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:26,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:33:26,488 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:26,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:33:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2024-11-13 22:33:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2024-11-13 22:33:28,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:33:28,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:28,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:28,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:28,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:28,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:33:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:28,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:29,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:33:29,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:33:29,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:33:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2024-11-13 22:33:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2024-11-13 22:33:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:33:31,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:31,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:31,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:31,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:31,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:33:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:32,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:32,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:33:32,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:33:32,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:33:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2024-11-13 22:33:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-11-13 22:33:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:33:34,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:34,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:34,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:34,019 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:34,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:33:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:34,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:34,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:33:34,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:33:34,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:33:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-13 22:33:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-13 22:33:35,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:33:35,162 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 22:33:35,170 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:33:35,707 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-13 22:33:35,707 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-13 22:33:35,708 INFO L77 FloydHoareUtils]: At program point L56-1(lines 56 102) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse4 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4))) [2024-11-13 22:33:35,708 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse4 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse5 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 .cse5 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 .cse1 .cse2 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse3 .cse4 .cse5 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 .cse5))) [2024-11-13 22:33:35,708 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-13 22:33:35,709 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (let ((.cse0 (= (_ bv7 32) |ULTIMATE.start_main_~var_17~0#1|)) (.cse1 (= (_ bv5 32) |ULTIMATE.start_main_~var_13~0#1|)) (.cse2 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= (_ bv1 32) |ULTIMATE.start_main_~var_10~0#1|)) (.cse4 (= (_ bv1048575 32) |ULTIMATE.start_main_~mask_SORT_4~0#1|))) (or (and .cse0 .cse1 (= (_ bv1 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv5 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4 (= (_ bv7 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_main_~state_6~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_30~0#1|) .cse2 .cse3 .cse4 (= (_ bv5 32) |ULTIMATE.start_main_~state_27~0#1|)) (and .cse0 (= (_ bv5 32) |ULTIMATE.start_main_~state_30~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~state_27~0#1|) .cse1 (= (_ bv7 32) |ULTIMATE.start_main_~state_6~0#1|) .cse2 .cse3 .cse4))) [2024-11-13 22:33:35,709 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:33:35,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:33:35 ImpRootNode [2024-11-13 22:33:35,720 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:33:35,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:33:35,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:33:35,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:33:35,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:24" (3/4) ... [2024-11-13 22:33:35,723 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:33:35,732 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 22:33:35,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 22:33:35,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:33:35,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:33:35,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:33:35,763 INFO L158 Benchmark]: Toolchain (without parser) took 12309.49ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 92.0MB in the beginning and 92.6MB in the end (delta: -607.8kB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,763 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:35,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.71ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.47ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,764 INFO L158 Benchmark]: Boogie Preprocessor took 30.75ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 77.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:33:35,766 INFO L158 Benchmark]: RCFGBuilder took 414.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 60.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,767 INFO L158 Benchmark]: CodeCheck took 11429.80ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 60.5MB in the beginning and 95.8MB in the end (delta: -35.3MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,767 INFO L158 Benchmark]: Witness Printer took 41.93ms. Allocated memory is still 243.3MB. Free memory was 95.8MB in the beginning and 92.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:33:35,769 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: 10.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 120 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 120 mSolverCounterUnsat, 6 mSDtfsCounter, 660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 775 GetRequests, 639 SyntacticMatches, 24 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5120 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 24 NumberOfNonLiveVariables, 807 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 10/90 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: 56]: Loop Invariant Derived loop invariant: ((((((((((7 == var_17) && (5 == var_13)) && (1 == state_30)) && (5 == state_6)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4)) && (7 == state_27)) || ((((((((7 == var_17) && (1 == state_6)) && (5 == var_13)) && (7 == state_30)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4)) && (5 == state_27))) || ((((((((7 == var_17) && (5 == state_30)) && (1 == state_27)) && (5 == var_13)) && (7 == state_6)) && (1 == mask_SORT_1)) && (1 == var_10)) && (1048575 == mask_SORT_4))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.71ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.47ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.75ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 77.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.99ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 60.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11429.80ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 60.5MB in the beginning and 95.8MB in the end (delta: -35.3MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Witness Printer took 41.93ms. Allocated memory is still 243.3MB. Free memory was 95.8MB in the beginning and 92.6MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:33:35,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02f6a709-ab94-402b-bf00-84a8863a3275/bin/ukojak-verify-EEHR8qb7sm/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: ERROR: ExceptionOrErrorResult: NullPointerException: Cannot invoke "org.eclipse.cdt.core.dom.ast.IASTNode.getRawSignature()" because "" is null