./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk --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 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:43,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:43,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:20:43,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:43,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:43,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:43,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:43,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:43,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:43,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:43,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:43,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:43,904 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:43,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:43,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:43,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:43,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:43,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:43,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:43,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:43,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:43,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:43,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:43,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:43,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:43,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:43,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:43,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:43,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:43,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:43,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:43,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:43,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:43,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-11-08 22:20:44,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:44,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:44,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:44,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:44,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:44,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c Unable to find full path for "g++" [2024-11-08 22:20:46,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:46,579 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:46,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-08 22:20:46,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/98d8ac801/f74e9072d310436b88fd0c4d46e7dd61/FLAG710fa0371 [2024-11-08 22:20:46,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/98d8ac801/f74e9072d310436b88fd0c4d46e7dd61 [2024-11-08 22:20:46,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:46,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:46,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:46,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:46,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:46,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:46" (1/1) ... [2024-11-08 22:20:46,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aca9442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:46, skipping insertion in model container [2024-11-08 22:20:46,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:46" (1/1) ... [2024-11-08 22:20:46,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:47,156 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_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-08 22:20:47,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:47,194 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:47,208 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_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-08 22:20:47,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:47,238 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:47,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47 WrapperNode [2024-11-08 22:20:47,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:47,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:47,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:47,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:47,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,282 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-08 22:20:47,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:47,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:47,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:47,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:47,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:47,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:47,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:47,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:47,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:47,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:47,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:47,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:47,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:47,515 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:47,788 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:47,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:47,872 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:47,872 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:20:47,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:47 BoogieIcfgContainer [2024-11-08 22:20:47,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:47,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:47,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:47,890 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:47,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:47" (1/1) ... [2024-11-08 22:20:47,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 22:20:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 22:20:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:20:47,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:48,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:48,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:48,212 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:20:48,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:20:48 ImpRootNode [2024-11-08 22:20:48,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:20:48,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:20:48,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:20:48,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:20:48,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:47" (3/4) ... [2024-11-08 22:20:48,264 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:20:48,267 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:20:48,269 INFO L158 Benchmark]: Toolchain (without parser) took 1345.62ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 91.7MB in the end (delta: -5.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:48,270 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory was 88.9MB in the beginning and 88.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:48,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.32ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 73.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:20:48,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:48,278 INFO L158 Benchmark]: Boogie Preprocessor took 30.26ms. Allocated memory is still 119.5MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:48,278 INFO L158 Benchmark]: RCFGBuilder took 557.87ms. Allocated memory is still 119.5MB. Free memory was 70.4MB in the beginning and 57.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:20:48,279 INFO L158 Benchmark]: CodeCheck took 367.28ms. Allocated memory is still 119.5MB. Free memory was 57.5MB in the beginning and 44.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:20:48,281 INFO L158 Benchmark]: Witness Printer took 11.51ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 91.7MB in the end (delta: 376.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:48,286 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 13]: 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 someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of someUnaryDOUBLEoperation at line 25. Possible FailurePath: [L15] double _EPS = 1e-6; [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. VAL [_EPS=1/1000000] [L45] COND FALSE !(d <= 20.) VAL [_EPS=1/1000000] [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L11] COND FALSE !(!cond) [L48] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon) [L50] CALL, EXPR SqrtR(dd) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; [L21] COND FALSE !(Input <= 1.0) [L21] xn = 1.0/Input [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L28] COND TRUE \read(cond) VAL [_EPS=1/1000000, i=0] [L37] return 1.0 / xnp1; [L50] RET, EXPR SqrtR(dd) [L50] r = SqrtR(dd) [L52] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) [L13] COND TRUE !(cond) VAL [_EPS=1/1000000] [L13] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 119.5MB. Free memory was 88.9MB in the beginning and 88.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.32ms. Allocated memory is still 119.5MB. Free memory was 86.4MB in the beginning and 73.2MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 119.5MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.26ms. Allocated memory is still 119.5MB. Free memory was 71.7MB in the beginning and 70.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.87ms. Allocated memory is still 119.5MB. Free memory was 70.4MB in the beginning and 57.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 367.28ms. Allocated memory is still 119.5MB. Free memory was 57.5MB in the beginning and 44.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 11.51ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 91.7MB in the end (delta: 376.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:20:48,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk --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 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:50,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:51,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:20:51,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:51,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:51,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:51,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:51,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:51,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:51,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:51,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:51,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:51,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:51,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:51,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:51,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:51,167 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:20:51,168 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:20:51,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:51,169 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:20:51,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:51,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:51,174 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:51,176 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:51,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:51,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:51,177 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:51,178 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:20:51,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:51,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:51,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:51,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:51,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:51,181 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:20:51,182 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:51,182 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:20:51,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6126c292b79b2663ac597229a34ee56f0c149d9383459c587f75b8bcd2abff05 [2024-11-08 22:20:51,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:51,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:51,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:51,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:51,642 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:51,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c Unable to find full path for "g++" [2024-11-08 22:20:54,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:54,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:54,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2024-11-08 22:20:54,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/3f0d7908e/2faff3dda86846ecb53fd7cdd7b67338/FLAG3a35d7684 [2024-11-08 22:20:54,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/data/3f0d7908e/2faff3dda86846ecb53fd7cdd7b67338 [2024-11-08 22:20:54,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:54,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:54,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:54,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:54,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:54,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67113493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54, skipping insertion in model container [2024-11-08 22:20:54,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:54,590 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_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-08 22:20:54,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:54,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:54,666 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_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2024-11-08 22:20:54,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:54,717 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:54,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54 WrapperNode [2024-11-08 22:20:54,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:54,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:54,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:54,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:54,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,777 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-08 22:20:54,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:54,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:54,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:54,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:54,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:54,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:54,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:54,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:54,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:54" (1/1) ... [2024-11-08 22:20:54,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:54,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:54,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:20:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:55,023 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:55,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:28,178 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:28,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:28,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:28,233 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:28,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:28 BoogieIcfgContainer [2024-11-08 22:21:28,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:28,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:28,234 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:28,245 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:28,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:28" (1/1) ... [2024-11-08 22:21:28,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-08 22:21:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-08 22:21:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:21:28,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:28,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:28,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:28,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:21:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:33,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:21:43,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:21:43,742 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) 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) [2024-11-08 22:21:43,747 INFO L158 Benchmark]: Toolchain (without parser) took 49398.87ms. Allocated memory is still 77.6MB. Free memory was 56.8MB in the beginning and 34.5MB in the end (delta: 22.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-08 22:21:43,748 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 56.6MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:43,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.30ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 43.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:21:43,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.63ms. Allocated memory is still 77.6MB. Free memory was 43.2MB in the beginning and 41.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:43,750 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:21:43,751 INFO L158 Benchmark]: RCFGBuilder took 33399.81ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 42.9MB in the end (delta: -3.1MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-11-08 22:21:43,752 INFO L158 Benchmark]: CodeCheck took 15511.48ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 34.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 22:21:43,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 56.6MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.30ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 43.2MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.63ms. Allocated memory is still 77.6MB. Free memory was 43.2MB in the beginning and 41.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33399.81ms. Allocated memory is still 77.6MB. Free memory was 39.8MB in the beginning and 42.9MB in the end (delta: -3.1MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * CodeCheck took 15511.48ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 34.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:21:43,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7f22dc2-b1c1-4f5e-87bf-3557c629381b/bin/ukojak-verify-ImItNfHLgk/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: UnsupportedOperationException: Solver said unknown