./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c --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_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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_f636dbaa-937b-4206-8b08-f80b8a336e09/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 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:08:22,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:08:22,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:08:22,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:08:22,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:08:22,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:08:22,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:08:22,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:08:22,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:08:22,877 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:08:22,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:08:22,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:08:22,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:08:22,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:08:22,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:08:22,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:08:22,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:08:22,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:08:22,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:08:22,880 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:08:22,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:08:22,880 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_f636dbaa-937b-4206-8b08-f80b8a336e09/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 -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-12-06 01:08:23,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:08:23,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:08:23,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:08:23,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:08:23,103 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:08:23,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-12-06 01:08:25,734 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/a702230a1/e36e9e6b57f44d558e4386dbfe18d80b/FLAG99e239946 [2024-12-06 01:08:25,908 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:08:25,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-12-06 01:08:25,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/a702230a1/e36e9e6b57f44d558e4386dbfe18d80b/FLAG99e239946 [2024-12-06 01:08:25,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/a702230a1/e36e9e6b57f44d558e4386dbfe18d80b [2024-12-06 01:08:25,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:08:25,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:08:25,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:08:25,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:08:25,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:08:25,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:25" (1/1) ... [2024-12-06 01:08:25,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab846fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:25, skipping insertion in model container [2024-12-06 01:08:25,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:25" (1/1) ... [2024-12-06 01:08:25,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:08:26,087 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_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-12-06 01:08:26,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:08:26,116 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:08:26,126 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_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-12-06 01:08:26,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:08:26,145 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:08:26,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26 WrapperNode [2024-12-06 01:08:26,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:08:26,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:08:26,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:08:26,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:08:26,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,172 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-12-06 01:08:26,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:08:26,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:08:26,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:08:26,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:08:26,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:08:26,190 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:08:26,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:08:26,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:08:26,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:08:26,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:08:26,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:08:26,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:08:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:08:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:08:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:08:26,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:08:26,303 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:08:26,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:08:26,409 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-06 01:08:26,409 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:08:26,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:08:26,464 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:08:26,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:26 BoogieIcfgContainer [2024-12-06 01:08:26,465 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:08:26,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:08:26,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:08:26,472 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:08:26,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:26" (1/1) ... [2024-12-06 01:08:26,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:08:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:08:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:08:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:08:26,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:08:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:26,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:08:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:26,658 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:08:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:08:26,678 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:08:26,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:08:26 ImpRootNode [2024-12-06 01:08:26,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:08:26,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:08:26,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:08:26,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:08:26,700 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:26" (3/4) ... [2024-12-06 01:08:26,702 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:08:26,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:08:26,703 INFO L158 Benchmark]: Toolchain (without parser) took 771.32ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 79.9MB in the end (delta: 38.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:08:26,704 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:26,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.85ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:08:26,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.30ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:26,705 INFO L158 Benchmark]: Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 923.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:26,705 INFO L158 Benchmark]: RCFGBuilder took 274.29ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:08:26,706 INFO L158 Benchmark]: CodeCheck took 233.96ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:08:26,706 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 79.9MB in the end (delta: 230.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:08:26,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 20]: 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 28, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L52] CALL assume_abort_if_not(d >= 0.1 && d <= 20.0) [L18] COND FALSE !(!cond) [L52] RET assume_abort_if_not(d >= 0.1 && d <= 20.0) [L54] CALL, EXPR SqrtR(d) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND FALSE !(Input <= 1.0) [L28] xn = 1.0/Input [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [_EPS=1/1000000, cond=0, i=0] [L35] COND FALSE !(\read(cond)) [L44] return 1.0 / xnp1; [L54] RET, EXPR SqrtR(d) [L54] r = SqrtR(d) [L56] CALL __VERIFIER_assert(r >= 0.3 && r <= 5.) [L20] COND TRUE !(cond) VAL [_EPS=1/1000000] [L20] reach_error() VAL [_EPS=1/1000000] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.85ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.30ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 106.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.79ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 923.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.29ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 91.9MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 233.96ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 80.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 79.9MB in the end (delta: 230.8kB). 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 01:08:26,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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_f636dbaa-937b-4206-8b08-f80b8a336e09/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 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:08:28,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:08:28,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:08:28,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:08:28,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:08:28,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:08:28,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:08:28,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:08:28,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:08:28,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:08:28,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:08:28,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:08:28,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:08:28,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:08:28,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:08:28,707 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:08:28,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:28,708 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:08:28,708 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_f636dbaa-937b-4206-8b08-f80b8a336e09/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 -> 3bb1d9e312234d5c4f7ead2dcb51cc43e4ff3aebeffef1b0758f6a0d5be2ea9b [2024-12-06 01:08:28,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:08:28,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:08:28,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:08:28,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:08:28,941 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:08:28,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-12-06 01:08:31,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/bb47d40bb/81fe6faee9964c7184c9395dc2d51e7b/FLAG859b6bf3f [2024-12-06 01:08:31,802 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:08:31,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2024-12-06 01:08:31,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/bb47d40bb/81fe6faee9964c7184c9395dc2d51e7b/FLAG859b6bf3f [2024-12-06 01:08:32,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/data/bb47d40bb/81fe6faee9964c7184c9395dc2d51e7b [2024-12-06 01:08:32,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:08:32,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:08:32,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:08:32,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:08:32,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:08:32,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e3d640 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32, skipping insertion in model container [2024-12-06 01:08:32,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:08:32,291 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_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-12-06 01:08:32,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:08:32,315 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:08:32,325 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_f636dbaa-937b-4206-8b08-f80b8a336e09/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c[831,844] [2024-12-06 01:08:32,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:08:32,346 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:08:32,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32 WrapperNode [2024-12-06 01:08:32,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:08:32,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:08:32,347 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:08:32,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:08:32,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,377 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-12-06 01:08:32,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:08:32,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:08:32,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:08:32,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:08:32,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,391 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:08:32,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:08:32,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:08:32,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:08:32,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:08:32" (1/1) ... [2024-12-06 01:08:32,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:08:32,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:08:32,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:08:32,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:08:32,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:08:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:08:32,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:08:32,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:08:32,505 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:08:32,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:08:55,368 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-06 01:08:55,368 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:08:55,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:08:55,447 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:08:55,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:55 BoogieIcfgContainer [2024-12-06 01:08:55,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:08:55,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:08:55,448 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:08:55,456 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:08:55,456 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:08:55" (1/1) ... [2024-12-06 01:08:55,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:08:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:08:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:08:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:08:55,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:55,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:55,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:55,504 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:55,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:08:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:59,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:09:09,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:09:09,224 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:09:09,227 INFO L158 Benchmark]: Toolchain (without parser) took 37048.78ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 59.9MB in the end (delta: 9.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-12-06 01:09:09,228 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 01:09:09,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.77ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 57.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:09:09,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.78ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:09:09,229 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:09:09,229 INFO L158 Benchmark]: RCFGBuilder took 23048.29ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 67.9MB in the end (delta: -13.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 01:09:09,230 INFO L158 Benchmark]: CodeCheck took 13778.58ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 59.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:09:09,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.77ms. Allocated memory is still 92.3MB. Free memory was 68.9MB in the beginning and 57.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.78ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 55.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.5MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 23048.29ms. Allocated memory is still 92.3MB. Free memory was 54.5MB in the beginning and 67.9MB in the end (delta: -13.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 13778.58ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 59.9MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:09:09,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f636dbaa-937b-4206-8b08-f80b8a336e09/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown