./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20.i --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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:07,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:07,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:11:07,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:11:07,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:11:07,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:07,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:07,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:07,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:07,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:07,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:07,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:07,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:11:07,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:11:07,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:11:07,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:07,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:07,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:07,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:07,559 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:11:07,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:11:07,560 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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 -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2024-11-13 21:11:07,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:07,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:07,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:07,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:07,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:07,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float20.i Unable to find full path for "g++" [2024-11-13 21:11:09,832 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:10,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:10,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-11-13 21:11:10,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/e2ff9d18d/24baf3f58753419fb60b98e3e119c689/FLAGb2252b34c [2024-11-13 21:11:10,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/e2ff9d18d/24baf3f58753419fb60b98e3e119c689 [2024-11-13 21:11:10,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:10,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:10,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:10,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:10,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:10,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bb246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10, skipping insertion in model container [2024-11-13 21:11:10,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:10,396 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-13 21:11:10,403 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-13 21:11:10,407 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-13 21:11:10,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:10,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:10,430 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-13 21:11:10,437 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-13 21:11:10,440 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-13 21:11:10,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:10,455 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:10,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10 WrapperNode [2024-11-13 21:11:10,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:10,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:10,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:10,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:10,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,479 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-13 21:11:10,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:10,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:10,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:10,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:10,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:10,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:10,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:10,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:10,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:10,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:10,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:10,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:11:10,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:10,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:10,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:10,627 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:10,721 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:10,722 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:10,764 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:10,765 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:11:10,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:10 BoogieIcfgContainer [2024-11-13 21:11:10,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:10,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:10,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:10,777 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:10,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:10" (1/1) ... [2024-11-13 21:11:10,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:10,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:11:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:11:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:11:10,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:11:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:10,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:11,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:11,033 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:11:11,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:11:11 ImpRootNode [2024-11-13 21:11:11,058 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:11:11,059 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:11:11,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:11:11,060 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:11:11,060 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:10" (3/4) ... [2024-11-13 21:11:11,063 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:11:11,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:11:11,068 INFO L158 Benchmark]: Toolchain (without parser) took 851.55ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 82.8MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:11:11,068 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:11,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.14ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 106.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:11,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.48ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:11,069 INFO L158 Benchmark]: Boogie Preprocessor took 14.88ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 953.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:11,069 INFO L158 Benchmark]: RCFGBuilder took 269.80ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:11,073 INFO L158 Benchmark]: CodeCheck took 292.41ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 83.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:11:11,073 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 338.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:11,075 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 18, overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someBinaryFLOATComparisonOperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 19. Possible FailurePath: [L48] float f=__VERIFIER_nondet_float(); [L49] CALL bug(f) [L17] COND FALSE !(!(min == 0x1.fffffep-105f)) [L18] float modifier = (0x1.0p-23 * (1<<1)); [L19] float ulpdiff = min * modifier; [L21] COND TRUE !(ulpdiff == 0x1p-126f) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 105.5MB in the end (delta: 209.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.14ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 106.1MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.48ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.88ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 953.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 269.80ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 92.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 292.41ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 83.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 142.6MB. Free memory was 83.1MB in the beginning and 82.8MB in the end (delta: 338.5kB). 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 21:11:11,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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 ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:13,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:14,018 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:11:14,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:14,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:14,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:14,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:14,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:14,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:14,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:14,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:11:14,072 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:14,073 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:14,073 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:11:14,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:14,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:14,074 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:11:14,074 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/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 -> ebbeb933faa53c0420039d774ec4b6190cacf1becebc5ed29363e09aaa5dc31e [2024-11-13 21:11:14,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:14,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:14,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:14,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:14,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:14,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/floats-cbmc-regression/float20.i Unable to find full path for "g++" [2024-11-13 21:11:16,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:16,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:16,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-11-13 21:11:16,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/b0aa1ddde/6a2d48f1ebb7487e84bf496a65991c71/FLAGaecb20bb2 [2024-11-13 21:11:16,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/data/b0aa1ddde/6a2d48f1ebb7487e84bf496a65991c71 [2024-11-13 21:11:16,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:16,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:16,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:16,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:16,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:16,727 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:16" (1/1) ... [2024-11-13 21:11:16,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25529ae7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:16, skipping insertion in model container [2024-11-13 21:11:16,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:16" (1/1) ... [2024-11-13 21:11:16,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:16,936 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-13 21:11:16,947 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-13 21:11:16,958 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-13 21:11:16,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:16,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:17,008 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-11-13 21:11:17,018 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-11-13 21:11:17,021 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_5a76e576-57d7-4ecd-97d2-09bc506b09f5/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-11-13 21:11:17,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:17,049 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:17,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17 WrapperNode [2024-11-13 21:11:17,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:17,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:17,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:17,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:17,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,073 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,094 INFO L138 Inliner]: procedures = 19, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-13 21:11:17,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:17,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:17,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:17,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:17,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:17,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:17,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:17,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:17,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:17" (1/1) ... [2024-11-13 21:11:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:17,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:17,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:17,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:11:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:17,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:17,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:17,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:11:20,962 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 21:11:20,962 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:11:21,015 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:11:21,015 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:11:21,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:21 BoogieIcfgContainer [2024-11-13 21:11:21,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:11:21,016 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:11:21,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:11:21,027 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:11:21,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:21" (1/1) ... [2024-11-13 21:11:21,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:11:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-13 21:11:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-13 21:11:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:11:21,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:21,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:21,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:11:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:21,221 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:11:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:21,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:11:21,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:21,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:21,875 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:11:21,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:11:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:22,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-13 21:11:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-13 21:11:22,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:11:22,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:22,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:22,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:22,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:22,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:11:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:22,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:11:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:23,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:11:23,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:11:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:11:36,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:11:48,741 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:11:50,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:11:53,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:11:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:11:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-13 21:11:53,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-13 21:11:53,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:11:53,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:11:53,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:53,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:11:53,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:11:53,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:11:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:53,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:11:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:11:53,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:11:53,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:50,614 WARN L286 SmtUtils]: Spent 14.50s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:13:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:13:24,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:13:34,203 WARN L851 $PredicateComparison]: unable to prove that (not (and (exists ((|v_ULTIMATE.start_bugBrokenOut_~min#1_22| (_ FloatingPoint 8 24))) (= ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |v_ULTIMATE.start_bugBrokenOut_~min#1_22|) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 8388608.0)) ((_ to_fp 11 53) c_currentRoundingMode (_ bv2 32))))))) |c_ULTIMATE.start_bugBrokenOut_~ulpdiff~1#1|)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-13 21:13:39,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:13:41,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 21:13:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-13 21:13:45,816 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-13 21:13:45,816 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:13:45,816 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-13 21:13:45,825 INFO L729 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-11-13 21:13:50,430 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2024-11-13 21:13:50,431 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bugBrokenOut_~min#1_19| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start_bugBrokenOut_~ulpdiff~1#1| ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode |v_ULTIMATE.start_bugBrokenOut_~min#1_19|) ((_ to_fp 11 53) currentRoundingMode ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 8388608.0)) ((_ to_fp 11 53) currentRoundingMode (_ bv2 32)))))))) (fp.eq |v_ULTIMATE.start_bugBrokenOut_~min#1_19| ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 340282366920938463463374607431768211456.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 21:13:50,431 INFO L75 FloydHoareUtils]: For program point L32-1(line 32) no Hoare annotation was computed. [2024-11-13 21:13:50,431 INFO L77 FloydHoareUtils]: At program point L32-3(lines 26 35) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-11-13 21:13:50,431 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-13 21:13:50,432 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:13:50,432 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bug_~min#1_21| (_ FloatingPoint 8 24))) (and (= |ULTIMATE.start_bug_~ulpdiff~0#1| (fp.mul currentRoundingMode |v_ULTIMATE.start_bug_~min#1_21| ((_ to_fp 8 24) currentRoundingMode (fp.mul currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 8388608.0)) ((_ to_fp 11 53) currentRoundingMode (_ bv2 32)))))) (fp.eq |v_ULTIMATE.start_bug_~min#1_21| ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 340282366920938463463374607431768211456.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 21:13:50,432 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-13 21:13:50,432 INFO L77 FloydHoareUtils]: At program point L21-3(lines 16 24) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-11-13 21:13:50,432 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_bugCasting_~d#1_19| (_ FloatingPoint 11 53))) (and (= |ULTIMATE.start_bugCasting_~f~0#1| ((_ to_fp 8 24) currentRoundingMode |v_ULTIMATE.start_bugCasting_~d#1_19|)) (fp.eq |v_ULTIMATE.start_bugCasting_~d#1_19| ((_ to_fp 11 53) currentRoundingMode (/ 16777215.0 1427247692705959881058285969449495136382746624.0))))) (= currentRoundingMode roundNearestTiesToEven)) [2024-11-13 21:13:50,432 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:13:50,432 INFO L75 FloydHoareUtils]: For program point L42-1(line 42) no Hoare annotation was computed. [2024-11-13 21:13:50,433 INFO L77 FloydHoareUtils]: At program point L42-3(lines 37 45) the Hoare annotation is: true [2024-11-13 21:13:50,433 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2024-11-13 21:13:50,442 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 21:13:50,443 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 21:13:50,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 21:13:50,445 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 21:13:50,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:50 ImpRootNode [2024-11-13 21:13:50,448 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:50,448 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:50,448 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:50,448 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:50,449 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:11:21" (3/4) ... [2024-11-13 21:13:50,451 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:13:50,459 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 21:13:50,459 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:13:50,460 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:13:50,460 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:13:50,554 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:13:50,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:13:50,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:50,556 INFO L158 Benchmark]: Toolchain (without parser) took 153837.67ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 28.6MB in the end (delta: 31.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:50,556 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:50,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.47ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 47.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:50,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.76ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:50,558 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:50,559 INFO L158 Benchmark]: RCFGBuilder took 3878.88ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 32.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:50,559 INFO L158 Benchmark]: CodeCheck took 149431.39ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 33.3MB in the end (delta: -916.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-13 21:13:50,561 INFO L158 Benchmark]: Witness Printer took 106.89ms. Allocated memory is still 83.9MB. Free memory was 33.3MB in the beginning and 28.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:50,563 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, 14 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 144.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 15.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 6 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 82 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 120.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 103.8s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 4 QuantifiedInterpolants, 118 SizeOfPredicates, 3 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 32]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 42]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.47ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 47.1MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.76ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3878.88ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 32.4MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 149431.39ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 33.3MB in the end (delta: -916.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 106.89ms. Allocated memory is still 83.9MB. Free memory was 33.3MB in the beginning and 28.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2024-11-13 21:13:50,783 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:13:50,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a76e576-57d7-4ecd-97d2-09bc506b09f5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE