./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/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_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/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 32bit --witnessprinter.graph.data.programhash 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:10,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:11,032 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:34:11,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:11,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:11,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:11,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:11,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:11,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:11,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:11,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:11,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:11,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:11,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:11,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:11,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:11,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:11,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:11,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:11,091 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:11,091 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:11,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:11,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:11,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:11,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:11,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:11,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:11,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:11,092 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_315e44dc-a822-4078-a675-7c5057d12872/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 [2024-11-13 20:34:11,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:11,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:11,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:11,477 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:11,479 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:11,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/cast_union_tight.c Unable to find full path for "g++" [2024-11-13 20:34:13,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:13,785 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:13,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c [2024-11-13 20:34:13,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/70249d1fd/033a8dcd59e340d98dc27d93e999464f/FLAG6925acd40 [2024-11-13 20:34:13,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/70249d1fd/033a8dcd59e340d98dc27d93e999464f [2024-11-13 20:34:13,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:13,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:13,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:13,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:13,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:13,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:13" (1/1) ... [2024-11-13 20:34:13,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25be91e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:13, skipping insertion in model container [2024-11-13 20:34:13,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:13" (1/1) ... [2024-11-13 20:34:13,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:14,045 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_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 20:34:14,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:14,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:14,088 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_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 20:34:14,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:14,114 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:14,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14 WrapperNode [2024-11-13 20:34:14,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:14,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:14,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:14,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:14,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,156 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-13 20:34:14,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:14,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:14,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:14,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:14,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:14,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:14,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:14,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:14,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:14,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:34:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:34:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:34:14,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:14,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:14,673 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:14,673 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:14,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:14,865 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:14,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:14 BoogieIcfgContainer [2024-11-13 20:34:14,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:14,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:14,867 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:14,880 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:14,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:14" (1/1) ... [2024-11-13 20:34:14,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:14,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:34:14,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:34:14,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:34:14,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:14,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:15,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:15,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:15,402 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:34:15,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:34:15 ImpRootNode [2024-11-13 20:34:15,431 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:34:15,432 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:34:15,432 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:34:15,432 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:34:15,433 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:14" (3/4) ... [2024-11-13 20:34:15,436 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:34:15,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:34:15,438 INFO L158 Benchmark]: Toolchain (without parser) took 1625.37ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 41.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:34:15,439 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:15,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.07ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:15,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:15,441 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:15,441 INFO L158 Benchmark]: RCFGBuilder took 660.82ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 61.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:15,442 INFO L158 Benchmark]: CodeCheck took 564.44ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 42.3MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:34:15,442 INFO L158 Benchmark]: Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 41.9MB in the end (delta: 470.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:15,445 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 3 NumberOfCodeBlocks, 3 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: 9]: 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 someBinaryArithmeticDOUBLEoperation at line 23, overapproximation of bitwiseOr at line 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 34. Possible FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] EXPR i ^ x.i[1] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; [L33] RET, EXPR cast(a) [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r == a) [L9] COND TRUE !(cond) [L9] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.07ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 660.82ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 61.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 564.44ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 42.3MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.71ms. Allocated memory is still 117.4MB. Free memory was 42.3MB in the beginning and 41.9MB in the end (delta: 470.9kB). 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 20:34:15,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/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_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/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_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/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 32bit --witnessprinter.graph.data.programhash 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:18,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:18,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:34:18,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:18,965 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:18,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:18,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:18,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:18,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:18,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:18,968 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:18,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:18,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:18,970 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:18,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:34:18,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:18,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:18,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:18,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:18,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:18,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:34:18,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:18,974 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:34:18,974 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_315e44dc-a822-4078-a675-7c5057d12872/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 692e0f6bff326dae555773498e30d5c37d6c88dd20df70f4e6fff349bc763d90 [2024-11-13 20:34:19,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:19,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:19,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:19,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:19,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:19,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-benchs/cast_union_tight.c Unable to find full path for "g++" [2024-11-13 20:34:21,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:21,990 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:21,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c [2024-11-13 20:34:22,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/c56bbc9f0/0a14873655fd44f88df911e631a22a67/FLAG45406036d [2024-11-13 20:34:22,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/data/c56bbc9f0/0a14873655fd44f88df911e631a22a67 [2024-11-13 20:34:22,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:22,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:22,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:22,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:22,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:22,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3781f61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22, skipping insertion in model container [2024-11-13 20:34:22,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:22,469 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_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 20:34:22,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:22,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:22,531 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_315e44dc-a822-4078-a675-7c5057d12872/sv-benchmarks/c/float-benchs/cast_union_tight.c[495,508] [2024-11-13 20:34:22,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:22,578 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:22,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22 WrapperNode [2024-11-13 20:34:22,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:22,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:22,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:22,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:22,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,638 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-11-13 20:34:22,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:22,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:22,641 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:22,641 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:22,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:22,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:22,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:22,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:22,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:22" (1/1) ... [2024-11-13 20:34:22,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:22,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:22,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:22,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:22,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:34:22,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:34:22,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:22,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:23,147 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:23,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:23,238 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:23,239 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:34:23,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:23 BoogieIcfgContainer [2024-11-13 20:34:23,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:23,240 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:23,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:23,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:23,253 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:23" (1/1) ... [2024-11-13 20:34:23,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:23,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-13 20:34:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-13 20:34:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:34:23,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:23,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:23,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:23,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:23,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_315e44dc-a822-4078-a675-7c5057d12872/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:34:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:34:23,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:34:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat