./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 03:35:11,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:35:11,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:35:11,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:35:11,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:35:11,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:35:11,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:35:11,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:35:11,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:35:11,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:35:11,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:35:11,940 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:35:11,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:35:11,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:11,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:35:11,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:35:11,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:35:11,941 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:35:11,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:35:11,941 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 03:35:12,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:35:12,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:35:12,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:35:12,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:35:12,165 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:35:12,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-12-06 03:35:15,482 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/1cf285c18/2912a6908dda43648cc6190e0f0e0f7d/FLAGff19357f7 [2024-12-06 03:35:15,655 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:35:15,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-12-06 03:35:15,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/1cf285c18/2912a6908dda43648cc6190e0f0e0f7d/FLAGff19357f7 [2024-12-06 03:35:15,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/1cf285c18/2912a6908dda43648cc6190e0f0e0f7d [2024-12-06 03:35:15,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:35:15,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:35:15,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:15,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:35:15,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:35:15,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f0a338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15, skipping insertion in model container [2024-12-06 03:35:15,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:35:15,850 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-12-06 03:35:15,858 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-12-06 03:35:15,863 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-12-06 03:35:15,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:15,873 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:35:15,886 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-12-06 03:35:15,889 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-12-06 03:35:15,891 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-12-06 03:35:15,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:15,906 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:35:15,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15 WrapperNode [2024-12-06 03:35:15,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:15,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:15,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:35:15,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:35:15,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,933 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-12-06 03:35:15,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:15,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:35:15,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:35:15,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:35:15,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,945 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:35:15,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:35:15,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:35:15,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:35:15,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:15" (1/1) ... [2024-12-06 03:35:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:35:15,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:35:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:35:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:35:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:35:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:35:16,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:35:16,044 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:35:16,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:35:16,127 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 03:35:16,127 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:35:16,161 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:35:16,161 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:35:16,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:16 BoogieIcfgContainer [2024-12-06 03:35:16,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:35:16,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:35:16,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:35:16,169 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:35:16,169 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:16" (1/1) ... [2024-12-06 03:35:16,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:35:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:35:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:35:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:35:16,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:35:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:16,286 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:16,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:35:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:35:16,326 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:35:16,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:35:16 ImpRootNode [2024-12-06 03:35:16,338 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:35:16,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:35:16,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:35:16,339 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:35:16,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:16" (3/4) ... [2024-12-06 03:35:16,342 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:35:16,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:35:16,344 INFO L158 Benchmark]: Toolchain (without parser) took 666.33ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 80.7MB in the end (delta: 36.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:35:16,344 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:16,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.97ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:16,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.99ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:16,345 INFO L158 Benchmark]: Boogie Preprocessor took 16.52ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.0MB in the end (delta: 802.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:16,346 INFO L158 Benchmark]: RCFGBuilder took 210.42ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 90.5MB in the end (delta: 11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:16,346 INFO L158 Benchmark]: CodeCheck took 176.42ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 80.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:35:16,346 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 80.7MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:35:16,349 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: 0.1s, 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, ConComCheckerStatistics: 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.97ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.0MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.99ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.9MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.52ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 102.0MB in the end (delta: 802.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.42ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 90.5MB in the end (delta: 11.5MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 176.42ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 80.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 80.7MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:35:16,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/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 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 03:35:18,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:35:18,350 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:35:18,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:35:18,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:35:18,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:35:18,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:35:18,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:35:18,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:35:18,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:35:18,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:35:18,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:18,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:35:18,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:18,389 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:35:18,389 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 03:35:18,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:35:18,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:35:18,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:35:18,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:35:18,615 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:35:18,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-12-06 03:35:21,672 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/e809c0e7b/5f965a54dbbf46b996362bebd703e3a0/FLAG1dddf7718 [2024-12-06 03:35:21,943 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:35:21,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i [2024-12-06 03:35:21,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/e809c0e7b/5f965a54dbbf46b996362bebd703e3a0/FLAG1dddf7718 [2024-12-06 03:35:22,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/data/e809c0e7b/5f965a54dbbf46b996362bebd703e3a0 [2024-12-06 03:35:22,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:35:22,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:35:22,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:22,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:35:22,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:35:22,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fda98a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22, skipping insertion in model container [2024-12-06 03:35:22,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,319 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:35:22,482 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-12-06 03:35:22,491 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-12-06 03:35:22,495 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-12-06 03:35:22,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:22,511 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:35:22,524 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1032,1045] [2024-12-06 03:35:22,528 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1306,1319] [2024-12-06 03:35:22,530 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_48cfcd3f-41ab-41c0-b78e-9ff569337545/sv-benchmarks/c/floats-cbmc-regression/float20.i[1464,1477] [2024-12-06 03:35:22,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:35:22,545 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:35:22,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22 WrapperNode [2024-12-06 03:35:22,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:35:22,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:22,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:35:22,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:35:22,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,573 INFO L138 Inliner]: procedures = 19, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-12-06 03:35:22,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:35:22,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:35:22,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:35:22,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:35:22,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,587 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:35:22,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:35:22,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:35:22,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:35:22,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:35:22" (1/1) ... [2024-12-06 03:35:22,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:35:22,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:35:22,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:35:22,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:35:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:35:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:35:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:35:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:35:22,696 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:35:22,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:35:25,731 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 03:35:25,731 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:35:25,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:35:25,775 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:35:25,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:25 BoogieIcfgContainer [2024-12-06 03:35:25,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:35:25,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:35:25,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:35:25,784 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:35:25,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:25" (1/1) ... [2024-12-06 03:35:25,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:35:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 03:35:25,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 03:35:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 03:35:25,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:25,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:25,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:25,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:25,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:35:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:25,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:25,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 03:35:25,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:26,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:35:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-06 03:35:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-06 03:35:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:35:26,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:26,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:26,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:26,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:35:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:27,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:28,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:35:28,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:43,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:35:47,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:35:59,606 WARN L286 SmtUtils]: Spent 5.17s 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) [2024-12-06 03:36:03,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:36:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-06 03:36:03,691 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-06 03:36:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:36:03,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:03,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:03,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:03,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:03,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:36:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:03,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:04,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 03:36:04,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:08,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:36:11,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:36:13,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:36:18,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-12-06 03:36:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-12-06 03:36:18,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:36:18,449 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 03:36:18,456 INFO L726 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2024-12-06 03:36:24,475 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 622] de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.computeHoareAnnotation) [2024-12-06 03:36:24,741 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2024-12-06 03:36:24,741 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)) [2024-12-06 03:36:24,742 INFO L75 FloydHoareUtils]: For program point L32-1(line 32) no Hoare annotation was computed. [2024-12-06 03:36:24,742 INFO L77 FloydHoareUtils]: At program point L32-3(lines 26 35) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-12-06 03:36:24,742 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-12-06 03:36:24,742 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:36:24,742 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)) [2024-12-06 03:36:24,742 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-12-06 03:36:24,743 INFO L77 FloydHoareUtils]: At program point L21-3(lines 16 24) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2024-12-06 03:36:24,743 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)) [2024-12-06 03:36:24,743 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:36:24,743 INFO L75 FloydHoareUtils]: For program point L42-1(line 42) no Hoare annotation was computed. [2024-12-06 03:36:24,743 INFO L77 FloydHoareUtils]: At program point L42-3(lines 37 45) the Hoare annotation is: true [2024-12-06 03:36:24,743 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2024-12-06 03:36:24,751 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-06 03:36:24,752 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-06 03:36:24,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-06 03:36:24,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-06 03:36:24,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:36:24 ImpRootNode [2024-12-06 03:36:24,757 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:36:24,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:36:24,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:36:24,758 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:36:24,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:35:25" (3/4) ... [2024-12-06 03:36:24,761 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:36:24,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-12-06 03:36:24,767 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:36:24,768 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:36:24,768 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:36:24,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:36:24,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:36:24,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:36:24,837 INFO L158 Benchmark]: Toolchain (without parser) took 62546.03ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 34.5MB in the end (delta: 35.6MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-12-06 03:36:24,838 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:36:24,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.06ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 56.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:36:24,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.36ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:36:24,839 INFO L158 Benchmark]: Boogie Preprocessor took 18.44ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 54.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:36:24,839 INFO L158 Benchmark]: RCFGBuilder took 3182.47ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 41.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:36:24,839 INFO L158 Benchmark]: CodeCheck took 58980.29ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 39.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-12-06 03:36:24,840 INFO L158 Benchmark]: Witness Printer took 79.54ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 34.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:36:24,842 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: 52.7s, 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, 17.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 17.4s 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, 87 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 34.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 20.8s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 3 QuantifiedInterpolants, 95 SizeOfPredicates, 3 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 14 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, ConComCheckerStatistics: 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.06ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 56.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.36ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 55.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.44ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 54.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3182.47ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 41.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 58980.29ms. Allocated memory is still 92.3MB. Free memory was 41.7MB in the beginning and 39.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 79.54ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 34.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. 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! [2024-12-06 03:36:25,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cfcd3f-41ab-41c0-b78e-9ff569337545/bin/ukojak-verify-CZk0znPC7b/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: TRUE